Supplementary Information

for the paper

“Microsolvation and hydration enthalpies of CaS2O3(H2O)n (n=0-19) and S2O32-(H2O)n (n=0-16): An ab initio study”

by Victor M. Rosas-García*, Isabel del Carmen Sáenz-Tavera, María del Rosario Rojas-Unda

Table S1. Absolute standard enthalpies, in kcal mol⁻¹, for S2O32─(H2O)n and CaS2O3(H2O)n for n=0-19 at 298.15 K calculated at the RHF/6-31G* level of theory.

Table S2. Stepwise binding energies (∆E), in kcal mol⁻¹, of water for the process X(H2O)n-1 + H2O → X(H2O)n, n=1-19 at 298.15 K calculated at the RHF/6-31G* level of theory.

Table S3. Standard differential hydration enthalpy at 298.15 K (∆∆hydHº), in kcal mol⁻¹, for X(H2O)n-1 + H2O → X(H2O)n, n=1-19, calculated at the RHF/6-31G* level of theory.

Table S4. Total electronic energies, in Hartrees, for all the species studied.

XYZ coordinates (one per page) for CaS2O3(H2O)nn = 0-19

XYZ coordinates (one per page) for S2O32-(H2O)n n = 0-16

Table S1. Absolute standard enthalpies, in kcal mol⁻¹, for S2O32─(H2O)n and CaS2O3(H2O)n for n=0-19 at 298.15 K calculated at the RHF/6-31G* level of theory.

n / Ca2+(H2O)n / S2O32─(H2O)n / CaS2O3(H2O)n
0 / -424 260.21 / -639 699.84 / -1 064 428.38
1 / -471 979.60 / -687 386.75 / -1 112 123.49
2 / -519 693.66 / -735 071.89 / -1 159 817.09
3 / -567 402.42 / -782 753.23 / -1 207 506.29
4 / -615 106.69 / -830 435.60 / -1 255 192.60
5 / -662 801.96 / -878 115.70 / -1 302 872.67
6 / -710 493.59 / -925 795.51 / -1 350 555.23
7 / -758 178.16 / -973 474.77 / -1 398 237.61
8 / -805 861.13 / -1 021 153.72 / -1 445 915.79
9 / -853 542.75 / -1 068 830.09 / -1 493 586.74
10 / -901 222.18 / -1 116 506.63 / -1 541 265.30
11 / -948 898.90 / -1 164 182.06 / -1 588 939.87
12 / -996 576.50 / -1 211 858.63 / -1 636 618.12
13 / -1 044 254.06 / -1 259 535.20 / -1 684 294.79
14 / -1 091 929.48 / -1 307 209.40 / -1 731 964.88
15 / --- / -1 354 883.22 / -1 779 640.82
16 / --- / -1 402 562.18 / -1 827 314.02
17 / --- / --- / -1 874 989.14
18 / --- / --- / -1 922 661.42
19 / --- / --- / -1 970 335.36

Table S2. Stepwise binding energies (∆E), in kcal mol⁻¹, of water for the process X(H2O)n-1 + H2O → X(H2O)n, n=1-19 at 298.15 K calculated at the RHF/6-31G* level of theory.

n / S2O32─ / CaS2O3
1 / -22.53 / -30.66
2 / -20.74 / -29.16
3 / -17.27 / -24.99
4 / -17.90 / -21.90
5 / -16.54 / -15.89
6 / -16.28 / -18.27
7 / -15.19 / -18.50
8 / -14.38 / -14.42
9 / -12.11 / -6.30
10 / -13.06 / -15.22
11 / -11.13 / -10.30
12 / -11.75 / -14.03
13 / -12.52 / -12.53
14 / -10.23 / -5.28
15 / -10.12 / -12.62
16 / -15.39 / -9.38
17 / n. d. / -10.80
18 / n. d. / -7.63
19 / n. d. / -10.33

Table S3. Standard differential hydration enthalpy at 298.15 K (∆∆hydHº), in kcal mol⁻¹, for X(H2O)n-1 + H2O → X(H2O)n, n=1-19, calculated at the RHF/6-31G* level of theory.

n / S2O32─ / CaS2O3
1 / -20.65 / -28.86
2 / -18.88 / -27.34
3 / -15.09 / -22.95
4 / -16.12 / -20.05
5 / -13.84 / -13.81
6 / -13.55 / -16.30
7 / -13.00 / -16.12
8 / -12.69 / -11.92
9 / -10.11 / -4.70
10 / -10.28 / -12.29
11 / -9.18 / -8.32
12 / -10.31 / -12.00
13 / -10.31 / -10.41
14 / -7.95 / -3.83
15 / -7.56 / -9.68
16 / -12.70 / -6.95
17 / n. d. / -8.86
18 / n. d. / -6.02
19 / n. d. / -7.68

Table S4. Total electronic energies calculated at the HF/6-31G* level of theory, in Hartrees, for all the species studied.

n / Cluster / Energy (Eh) / Cluster / Energy (Eh)
1 / CaS2O3(H2O) / -1 772.377 768 519 3 / S2O3(H2O)2- / -1 095.512 609 434 7
2 / CaS2O3(H2O)2 / -1 848.438 804 296 8 / S2O3(H2O)22 - / -1 171.560 141 270 7
3 / CaS2O3(H2O)3 / -1 924.493 819 632 6 / S2O3(H2O)32 - / -1 247.603 002 583 0
4 / CaS2O3(H2O)4 / -2 000.543 325 806 4 / S2O3(H2O)42 - / -1 323.645 651 170 7
5 / CaS2O3(H2O)5 / -2 076.583 680 287 9 / S2O3(H2O)52 - / -1 399.688 973 289 9
6 / CaS2O3(H2O)6 / -2 152.627 946 757 2 / S2O3(H2O)62 - / -1 475.732 142 116 5
7 / CaS2O3(H2O)7 / -2 228.673 648 268 9 / S2O3(H2O)72 - / -1 551.771 771 769 8
8 / CaS2O3(H2O)8 / -2 304.713 029 815 1 / S2O3(H2O)82 - / -1 627.808 474 003 1
9 / CaS2O3(H2O)9 / -2 380.736 496 584 7 / S2O3(H2O)92 - / -1 703.842 509 753 6
10 / CaS2O3(H2O)10 / -2 456.778 519 430 0 / S2O3(H2O)102 - / -1 779.880 639 218 2
11 / CaS2O3(H2O)11 / -2 532.809 675 914 5 / S2O3(H2O)112 - / -1 855.913 018 649 6
12 / CaS2O3(H2O)12 / -2 608.847 282 048 0 / S2O3(H2O)122 - / -1 931.944 737 837 4
13 / CaS2O3(H2O)13 / -2 684.882 544 090 5 / S2O3(H2O)132 - / -2 007.980 193 032 3
14 / CaS2O3(H2O)14 / -2 760.903 797 179 3 / S2O3(H2O)142 - / -2 084.012 433 014 1
15 / CaS2O3(H2O)15 / -2 836.941 886 333 3 / S2O3(H2O)152 - / -2 160.045 094 845 8
16 / CaS2O3(H2O)16 / -2 912.973 072 343 4 / S2O3(H2O)162 - / -2 236.086 538 462 3
17 / CaS2O3(H2O)17 / -2 989.005 090 934 8 / n.d. / n.d.
18 / CaS2O3(H2O)18 / -3 065.030 926 465 2 / n.d. / n.d.
19 / CaS2O3(H2O)19 / -3 141.064 207 221 7 / n.d. / n.d.

9

Opt at HF/6-31G* level, Energy: -1772.3777585 Eh, ZPE: 0.043418 HARTREE/MOLECULE

S 0.03545 -1.02651 -0.15455

O -1.31797 -0.56206 -0.63611

O 0.04154 -0.58668 1.28902

O 0.97271 -0.03712 -0.80882

S 0.44866 -2.89697 -0.46690

Ca -0.58335 1.46167 0.30928

O 1.56366 2.44148 0.12471

H 1.92823 1.61661 -0.22219

H 2.27978 2.97595 0.44259

12

Opt at HF/6-31G* level, Energy: -1848.4388043 Eh, ZPE: 0.070225 HARTREE/MOLECULE

S -0.85758 0.91897 0.20174

O -1.16154 -0.43307 0.79689

O -0.33573 0.58311 -1.16827

O 0.38206 1.34111 0.94989

S -2.32562 2.19250 0.24577

Ca 1.14591 -0.81182 0.05936

O 2.92464 0.76916 0.20398

H 2.29725 1.46119 0.44989

H 3.69447 1.18245 -0.16432

O -0.17318 -2.79119 -0.10327

H -0.44027 -3.56944 -0.57448

H -0.96561 -2.28878 0.12622

15

Opt at HF/6-31G* level, Energy: -1924.4938196 Eh, ZPE: 0.097652 HARTREE/MOLECULE

S 0.42932 -0.33387 -1.36645

O 0.99725 0.89600 -0.69082

O -1.03210 -0.02637 -1.47322

O 0.50032 -1.38028 -0.28899

S 1.30608 -0.81195 -3.03603

Ca -0.85934 0.33547 0.91893

O -1.68877 -1.90058 1.24817

H -1.04570 -2.21635 0.59995

H -2.47245 -2.42650 1.15312

O -1.01475 2.63702 0.15192

H -1.68570 3.03282 -0.39142

H -0.27069 2.46076 -0.43606

O 1.25678 0.66562 2.05547

H 1.78518 0.07434 2.57736

H 1.69348 0.74063 1.19907

18

Opt at HF/6-31G* level, Energy: -2000.5433258 Eh, ZPE: 0.124482 HARTREE/MOLECULE

S 1.37482 0.17754 -0.02567

O 0.69407 0.81518 1.15183

O 0.53526 0.61379 -1.19858

O 1.06134 -1.28134 0.11948

S 3.27031 0.59583 -0.19283

Ca -1.31242 -0.38489 0.11115

O -1.00308 -2.43501 -1.16894

H -0.05367 -2.37035 -1.00581

H -1.11671 -2.70169 -2.07188

O -1.57367 2.11922 -0.32331

H -0.75510 2.01307 -0.82437

H -1.30659 2.62469 0.43764

O -1.11648 -0.67829 2.51891

H -1.00861 -1.43400 3.08226

H -0.26439 -0.22531 2.48538

O -3.58016 0.17099 -0.55966

H -3.55698 1.10920 -0.73078

H -4.42394 -0.16302 -0.83537

21

Opt at HF/6-31G* level, Energy: -2076.5836803 Eh, ZPE: 0.151739 HARTREE/MOLECULE

S -1.17908 0.61631 -0.91180

O -1.00052 -0.87223 -0.79761

O 0.05319 1.07116 -1.64002

O -0.98339 1.10334 0.49488

S -2.85998 1.16466 -1.72930

Ca 1.23425 -0.17568 0.17843

O 1.47484 2.09001 1.10648

H 0.52399 2.20852 0.99685

H 1.88547 2.84914 0.71216

O 1.63273 -1.10330 -2.18548

H 1.07091 -0.36779 -2.45802

H 1.09947 -1.87292 -2.35417

O 0.87995 -1.65465 2.01107

H 1.28907 -2.12733 2.72266

H -0.08737 -1.72911 2.11068

O 3.60570 -0.46806 -0.32928

H 3.61755 -0.77491 -1.23231

H 4.47677 -0.16874 -0.10338

O -1.79526 -1.54081 1.83657

H -2.04217 -0.64131 2.02663

H -1.81749 -1.56405 0.87776

24

Opt at HF/6-31G* level, Energy: -2152.6279468 Eh, ZPE: 0.179128 HARTREE/MOLECULE

S -1.16612 -0.07787 0.94585

O -0.69474 -0.95840 -0.18833

O -0.33416 1.17397 0.73430

O -0.76525 -0.70049 2.20500

S -3.08197 0.33906 0.79188

Ca 1.35089 0.12123 -0.62965

O 1.91691 -0.93828 1.53264

H 1.04761 -1.00671 1.95855

H 2.50674 -0.59023 2.18903

O 0.69358 1.46660 -2.53181

H -0.09573 1.96710 -2.25896

H 0.57798 1.25594 -3.44911

O 2.25106 -1.77136 -1.81220

H 2.61434 -2.03608 -2.64634

H 1.73910 -2.52023 -1.46444

O 2.24729 2.12536 0.50626

H 2.50614 2.99446 0.22703

H 1.44126 2.22175 1.01672

O 0.46275 -3.43886 -0.64571

H 0.64515 -3.86693 0.18093

H -0.20734 -2.77812 -0.44885

O -1.44254 2.70157 -1.38987

H -2.31938 2.36462 -1.53801

H -1.24853 2.41020 -0.49716

27

Opt at HF/6-31G* level, Energy: -2228.6736483 Eh, ZPE: 0.207574 HARTREE/MOLECULE

S 1.09754 -0.82004 0.70697

O -0.11729 -0.27758 1.42015

O 0.64562 -0.84119 -0.73482

O 1.39212 -2.16486 1.16045

S 2.59414 0.46815 0.89810

Ca -1.48012 0.18386 -0.46194

O -2.64545 -1.93494 -0.39859

H -3.43325 -2.16527 0.07734

H -1.99837 -2.63518 -0.19864

O -0.34991 2.35940 -0.59121

H 0.43547 2.26034 -1.12736

H -0.06018 2.59492 0.28884

O -2.90860 1.50529 1.04350

H -3.46130 2.24565 0.82721

H -2.28865 1.81985 1.71035

O -1.46588 0.43942 -2.90470

H -0.57562 0.74048 -3.11013

H -1.66896 -0.24822 -3.52636

O -0.53297 2.24608 2.33127

H -0.10152 2.68584 3.05193

H -0.12815 1.37441 2.25672

O 1.25786 1.05672 -2.61491

H 2.11634 1.30095 -2.93497

H 1.39194 0.34740 -1.97665

O -0.74825 -3.77306 0.26983

H -0.29218 -4.17564 -0.45802

H -0.05444 -3.30753 0.75009

30

Opt at HF/6-31G* level, Energy: -2304.7130298 Eh, ZPE: 0.236203 HARTREE/MOLECULE

S 0.01080 -1.57278 0.03249

O 0.45545 -0.56898 -1.01419

O -0.24606 -0.70014 1.23238

O 1.08642 -2.50631 0.30566

S -1.68752 -2.40158 -0.55809

Ca 0.21395 1.45258 0.31001

O 2.57653 1.32361 0.83344

H 3.05918 1.21481 0.01538

H 2.78748 0.52923 1.34402

O -2.10588 1.62720 -0.39645

H -2.65840 1.13421 0.20804

H -2.20068 1.23647 -1.26550

O 0.75044 2.39024 -1.89970

H 1.56599 1.98408 -2.19326

H 0.07934 2.08154 -2.50813

O -0.72495 2.29717 2.40989

H -1.50827 1.76379 2.57059

H -0.30893 2.44306 3.24974

O -1.27607 0.55796 -2.89514

H -1.79553 0.11937 -3.55648

H -0.80647 -0.13243 -2.41994

O -2.66291 0.27732 2.09284

H -3.42290 -0.20488 2.39142

H -1.99584 -0.37518 1.85572

O 3.01402 -1.18661 1.91936

H 2.73943 -1.40322 2.80044

H 2.46463 -1.73583 1.35219

O 2.86604 0.46462 -1.90613

H 2.19143 -0.18662 -1.69234

H 3.53099 0.02075 -2.41577

33

Opt at HF/6-31G* level, Energy: -2380.7364966 Eh, ZPE: 0.261859 HARTREE/MOLECULE

S -1.19176 -0.04602 0.48993

O 0.04807 0.36947 1.24812

O -0.68315 -0.23318 -0.90965

O -2.17638 1.02640 0.53028

S -1.84655 -1.77234 1.20512

Ca 1.64131 0.22307 -0.60230

O 1.37787 2.60447 -0.94157

H 1.49603 3.04999 -0.10422

H 0.48021 2.83719 -1.21663

O 1.98630 -2.13068 -0.11150

H 1.35708 -2.66391 -0.59450

H 1.85395 -2.29112 0.82290

O 3.14581 0.64732 1.29088

H 2.84562 1.44300 1.73015

H 3.01834 -0.05877 1.92413

O 1.86923 -0.56346 -2.90652

H 1.31005 -1.34297 -2.96995

H 1.79291 -0.09500 -3.72784

O 1.66500 -1.46205 2.63480

H 1.44632 -2.01863 3.37107

H 0.86499 -0.98011 2.41342

O 0.02490 -2.56296 -2.18817

H -0.51891 -3.29281 -2.45470

H -0.55109 -1.93381 -1.74352

O -1.32703 3.06719 -1.29189

H -1.80428 2.87730 -2.08900

H -1.70673 2.48184 -0.63220

O 1.31535 2.74781 1.94310

H 0.61967 2.08711 1.89196

H 1.04648 3.38692 2.58996

O -4.69884 -0.12677 -0.66519

H -4.05053 0.42687 -0.24382

H -4.55653 -0.97325 -0.26185

36

Opt at HF/6-31G* level, Energy: -2456.7785194 Eh, ZPE: 0.291862 HARTREE/MOLECULE

S 0.48885 -1.01320 -0.92637

O -0.89827 -0.45670 -1.12721

O 0.90929 -0.40559 0.37909

O 1.38137 -0.54249 -1.98272

S 0.41277 -2.98100 -0.75848

Ca -0.96827 1.01645 0.86430

O -0.77121 2.92288 -0.60389

H -1.35775 2.83217 -1.35251

H 0.12123 2.93098 -0.97712

O -1.78171 -0.71854 2.35809

H -1.03927 -1.17695 2.75388

H -2.27760 -1.35689 1.84526

O -3.33343 1.02232 0.16054

H -3.37615 1.27144 -0.76222

H -3.66645 0.12722 0.19871

O 0.70491 1.58509 2.57409

H 0.85301 0.80557 3.10612

H 1.54603 1.73707 2.13318

O -3.08517 -1.85727 0.08383

H -3.35954 -2.75483 -0.05423

H -2.32202 -1.72527 -0.48196

O 0.89148 -1.34437 2.97833

H 1.31770 -2.12094 3.31615

H 1.08754 -1.30563 2.03830

O 1.73385 2.37120 -1.53269

H 2.31320 2.29200 -0.77945

H 1.67286 1.48836 -1.89560

O -2.37889 1.46340 -2.50077

H -1.78720 0.72050 -2.35949

H -2.59755 1.47693 -3.42310

O 3.11583 1.68713 1.00619

H 3.30756 0.83532 0.59989

H 3.95941 2.08722 1.17359

O 3.95401 -0.47662 -0.61530

H 4.09926 -1.36822 -0.32633

H 3.22132 -0.53872 -1.22831

39

Opt at HF/6-31G* level, Energy: -2532.8096759 Eh, ZPE: 0.318830 HARTREE/MOLECULE

S -0.96413 -0.60726 -0.82673

O 0.31580 -1.22646 -0.36249

O -0.75618 0.85769 -0.59661

O -2.06803 -1.07091 0.03139

S -1.27715 -0.95635 -2.74475

Ca 1.35924 0.79860 0.58640

O 0.75558 0.30385 2.85642

H 0.95790 -0.60636 3.07346

H -0.19753 0.40628 2.97559

O 2.55208 1.21772 -1.48676

H 2.00222 1.73366 -2.07767

H 2.73918 0.38198 -1.91503

O 3.08900 -0.90905 0.94505

H 2.70829 -1.59016 1.50225

H 3.28951 -1.32734 0.10984

O 0.67674 3.17123 0.53273

H 0.70702 3.46816 -0.37424

H -0.25398 3.22264 0.76745

O 2.63110 -1.60444 -1.85557

H 2.73796 -2.16096 -2.61583

H 1.71255 -1.68185 -1.58488

O 0.33557 2.71691 -2.37255

H 0.01241 2.93912 -3.23580

H -0.25789 2.04905 -2.02069

O -1.95564 0.54048 2.57280

H -2.13537 1.40444 2.21053

H -2.14450 -0.06963 1.86305

O 1.36825 -2.47375 2.63190

H 0.57742 -2.78270 2.17085

H 1.51980 -3.09418 3.33299

O -2.19126 2.98556 0.94171

H -2.58072 2.41701 0.27059

H -2.86063 3.62146 1.15895

O -3.86472 1.23720 -0.61267

H -3.79492 1.20047 -1.55880

H -3.55001 0.38172 -0.32843

O -1.02295 -3.39606 1.49516

H -0.91744 -4.02919 0.79698

H -1.45347 -2.65079 1.07505

42

Opt at HF/6-31G* level, Energy: -2608.8472820 Eh, ZPE: 0.346311 HARTREE/MOLECULE

S 0.95600 -1.07271 0.54802

O -0.52534 -0.87666 0.71727

O 1.47328 0.30033 0.28920

O 1.18228 -1.88780 -0.66506

S 1.75417 -1.85744 2.16795

Ca -0.74066 1.41403 -0.19492

O -2.45377 1.57425 -1.98219

H -3.27508 1.11479 -1.80551

H -2.03168 1.10435 -2.69425

O -0.32800 2.41484 2.01355

H 0.60126 2.56510 2.18185

H -0.64835 1.81928 2.68974

O -2.90373 1.19147 0.98742

H -3.61182 0.73011 0.54089

H -2.81957 0.82377 1.86395

O 0.96712 3.06974 -0.89225

H 1.52811 3.25926 -0.14261

H 1.55050 2.68019 -1.54522

O -1.48823 0.06678 3.21582

H -1.37247 -0.34723 4.06109

H -1.05129 -0.50028 2.57806

O 2.45984 2.50366 1.58733

H 3.24977 2.55817 2.10809

H 2.38013 1.59529 1.28418

O -0.04345 0.20604 -2.37853

H 0.77290 0.59730 -2.69319

H 0.20328 -0.67460 -2.09664

O -4.38049 -0.25275 -0.96379

H -3.87265 -1.07150 -0.87124

H -5.28805 -0.50122 -1.07757

O 2.49747 1.42615 -2.71156

H 2.97198 0.69617 -2.29395

H 2.94916 1.60126 -3.52684

O 3.66269 -0.92947 -1.79081

H 4.26961 -0.93947 -1.06197

H 2.88914 -1.39396 -1.46758

O -2.73983 -2.35690 -0.39783

H -2.27254 -2.99248 -0.93884

H -2.05092 -1.98271 0.14724

O -0.64324 -3.94153 -1.52470

H 0.04676 -3.34621 -1.23280

H -0.45945 -4.76900 -1.10095

45

Opt at HF/6-31G* level, Energy: -2684.8825441 Eh, ZPE: 0.373833 HARTREE/MOLECULE

S 0.89879 -0.76552 -1.01341

O -0.58729 -0.65831 -1.18501

O 1.11634 -0.41465 0.42671

O 1.56755 0.22469 -1.86647

S 1.52085 -2.60957 -1.35828

Ca -1.26083 0.15756 1.07924

O -2.92957 1.95372 1.47466

H -3.64775 1.98964 0.84391

H -2.41922 2.74747 1.35591

O -1.28188 -2.17372 1.85016

H -0.43194 -2.47853 2.16543

H -1.55330 -2.75455 1.14111

O -3.41100 -0.74513 0.26706

H -4.03815 -0.18734 -0.18659

H -3.36497 -1.58457 -0.18436

O 0.07038 0.46255 3.16044

H 0.48012 -0.36553 3.40229

H 0.80111 1.06367 3.01023

O -2.12360 -3.04626 -0.78512

H -1.98631 -3.89485 -1.18575

H -1.45813 -2.46802 -1.15976

O 1.42330 -2.10641 2.62891

H 2.09880 -2.75509 2.77558

H 1.59763 -1.71335 1.77166

O -0.31754 2.46759 0.52484

H 0.54684 2.53502 0.93849

H -0.17616 2.67676 -0.39983

O -4.47822 1.59606 -0.91302

H -3.76837 1.58383 -1.56628

H -5.26354 1.88573 -1.35762

O 2.11330 1.84456 1.73159

H 2.05633 1.06050 1.18522

H 3.02661 2.12673 1.66168

O 4.39162 0.32365 -1.30479

H 4.62865 -0.59481 -1.30651

H 3.48063 0.33793 -1.59780

O -2.27749 1.27816 -2.54461

H -1.59115 1.92920 -2.66492

H -1.80030 0.47755 -2.33585

O 0.25891 2.63932 -2.27016

H 0.75742 1.81401 -2.25149

H 0.78549 3.26461 -2.75037

O 4.80224 2.04278 0.91798

H 5.33393 2.76006 0.60243

H 4.74119 1.42168 0.18878

48

Opt at HF/6-31G* level, Energy: -2760.9037972 Eh, ZPE: 0.398901 HARTREE/MOLECULE

S -0.95480 -0.98926 -0.27876

O 0.49688 -1.24945 -0.03018

O -1.00585 0.44071 -0.70574

O -1.70754 -1.15246 0.97921

S -1.65011 -2.16297 -1.70998

Ca 1.48007 1.00849 -0.45095

O 3.23759 2.10832 0.91047

H 3.89428 1.52485 1.28916

H 2.75376 2.48647 1.63654

O 1.51917 0.44454 -2.83915

H 0.71105 0.65528 -3.30484

H 1.69656 -0.48555 -2.96882

O 3.48591 -0.39759 -0.71965

H 4.09532 -0.54765 -0.00121

H 3.37298 -1.21174 -1.20426

O 0.43547 3.08069 -1.33801

H 0.03719 2.91051 -2.18899

H -0.28773 3.36770 -0.77908

O 2.04148 -2.33539 -2.20302

H 1.86771 -3.11061 -2.72095

H 1.34022 -2.28832 -1.55304

O -1.05780 1.47646 -3.31319

H -1.72209 1.35529 -3.97857

H -1.34005 0.97785 -2.54497

O 0.53759 1.85625 1.75505

H -0.26209 2.35186 1.56087

H 0.28809 1.21093 2.41771

O 4.53415 -0.24342 1.90266

H 3.74927 -0.70793 2.21469

H 5.26776 -0.55251 2.41708

O -1.72249 2.88104 0.49773

H -1.80234 2.00677 0.11819

H -2.61161 3.12152 0.76500

O -4.37628 -0.02256 0.81201

H -4.77001 -0.50097 0.09425

H -3.51738 -0.42359 0.93676

O 2.11878 -1.48368 2.38634

H 1.42415 -1.20253 2.97620

H 1.65716 -1.74315 1.59277

O -0.37450 -0.35555 3.32032

H -0.88941 -0.71734 2.59240

H -0.90286 -0.45216 4.10187

O -4.45881 2.79728 1.12057

H -4.91293 2.98102 1.93109

H -4.53259 1.85061 0.98572

O -2.16090 -4.09955 1.54892

H -2.18358 -4.41397 0.65498

H -2.10302 -3.15588 1.45320

51

Opt at HF/6-31G* level, Energy: -2836.9418863 Eh, ZPE: 0.429103 HARTREE/MOLECULE

S -0.89730 1.02574 -0.36071

O 0.50726 0.62157 -0.66546

O -1.30926 0.11836 0.75079

O -1.74289 0.78477 -1.53870

S -0.96891 2.92816 0.19679

Ca 0.86979 -1.29627 0.80957

O 2.14439 -3.19919 -0.18381

H 2.82645 -2.94213 -0.80252

H 1.46335 -3.62310 -0.69570

O 1.15120 -0.26018 2.99115

H 0.34672 -0.20918 3.50234

H 1.48047 0.64493 2.93909

O 3.17264 -0.46251 0.51843

H 3.67685 -0.82386 -0.20582

H 3.35546 0.47825 0.52907

O -0.75802 -2.66113 2.10793

H -1.07049 -2.16025 2.85864

H -1.54724 -2.84109 1.59573

O 3.62530 2.35087 0.30296

H 4.44456 2.82772 0.31390

H 3.12365 2.68393 -0.45094

O -1.64546 -0.28047 3.51938

H -2.28359 0.12609 4.09018

H -1.73917 0.12379 2.65593

O -0.40907 -2.49917 -1.09892

H -1.32856 -2.59468 -0.83938

H -0.42371 -2.05983 -1.94997

O 3.80032 -1.67402 -2.00520

H 3.25061 -1.02675 -2.46100

H 4.58232 -1.78982 -2.52828

O -2.83405 -2.23503 0.23422

H -2.58430 -1.31908 0.35186

H -3.77230 -2.21824 0.03492

O -4.56539 1.10752 -1.18433

H -4.66004 1.91403 -0.69477

H -3.63176 1.04826 -1.38742

O 2.03032 0.27968 -2.97633

H 1.33886 -0.07038 -3.53244

H 1.57020 0.46812 -2.15666

O -0.61014 -0.84835 -3.47981

H -1.03898 -0.19156 -2.92046

H -1.21161 -1.02814 -4.19049

O -5.46380 -1.45419 -0.39002

H -6.04764 -1.75770 -1.07121

H -5.25539 -0.54357 -0.61066

O 2.10676 3.25461 -1.84285

H 1.22883 3.32963 -1.47676

H 2.05598 2.57300 -2.50407

O 1.71157 2.40610 2.50073

H 2.41662 2.52560 1.86915

H 0.92501 2.70370 2.05084

54

Opt at HF/6-31G* level, Energy:-2912.9730723419 Eh, ZPE: 0.457568 HARTREE/MOLECULE

S 0.43556 -0.17403 1.28559

O -0.61879 -0.72553 0.38355

O 0.59096 1.24549 0.85540

O 1.69091 -0.90521 1.05930

S -0.13851 -0.30601 3.17963

Ca -1.12652 1.12676 -1.12978

O -1.52181 0.62340 -3.55022

H -1.93743 -0.22349 -3.70405

H -0.61967 0.52921 -3.83903

O -2.44858 2.58247 0.29528

H -1.94032 3.25702 0.73988

H -2.92321 2.11267 0.99137

O -3.22880 -0.15734 -1.19740

H -3.31047 -0.81668 -1.88155

H -3.58343 -0.55224 -0.39948

O 0.10820 3.26207 -1.49872

H 0.01617 3.82425 -0.73178

H 1.05076 3.12984 -1.59245

O -4.11376 -1.51150 1.15528

H -4.93895 -1.94901 1.31725

H -3.41990 -2.12656 1.42123

O -0.14477 3.91196 1.31874

H 0.09873 4.45894 2.05337

H 0.19836 3.03405 1.49203

O 0.96746 0.27488 -2.33413

H 1.69267 0.84240 -2.06022

H 1.26642 -0.62149 -2.16131

O -2.51079 -2.08205 -3.18934

H -1.93369 -2.53232 -2.56227

H -2.95264 -2.75517 -3.68948

O 2.63733 2.05404 -1.00391

H 2.21783 1.77231 -0.19243

H 3.56651 1.82906 -0.91764

O 4.37276 -0.91295 1.70466

H 4.56573 -1.11404 2.61094

H 3.41637 -0.82872 1.64714

O -0.85894 -3.06921 -1.14215

H 0.05333 -3.20739 -1.38617

H -0.82493 -2.29423 -0.57959

O 1.91298 -2.24555 -1.40198

H 1.82734 -1.90331 -0.50933

H 2.84953 -2.39736 -1.50552

O 5.15846 0.87283 -0.50857

H 5.19227 0.06967 -1.01723

H 5.08626 0.56657 0.39092

O -2.04670 -3.22050 1.90137

H -1.45120 -2.63251 2.35969

H -1.58015 -3.50519 1.12345

O -3.35134 1.02023 2.39499

H -3.73908 0.19851 2.10401

H -2.53194 0.76929 2.81376

O 4.79724 -2.12491 -0.85290

H 5.49826 -2.75702 -0.93932

H 4.72170 -1.92844 0.08160

57

Opt at HF/6-31G* level, Energy: -2989.0050909360 Eh, ZPE: 0.484602 HARTREE/MOLECULE

S 0.52286 -0.12966 -1.28873

O -0.65979 0.61206 -0.76649

O 0.84614 -1.12321 -0.22525

O 1.64181 0.80425 -1.47236

S 0.07040 -1.04276 -2.99556

Ca -1.01272 -0.35583 1.46930

O -1.63964 1.19631 3.33626

H -2.16385 1.94524 3.05792

H -0.77695 1.54054 3.54408

O -2.11513 -2.47152 1.08527

H -1.65985 -3.28623 1.28625

H -2.49529 -2.55954 0.20433

O -3.25681 0.50474 0.90693

H -3.46417 1.39843 1.16685

H -3.61893 0.38319 0.02849

O 0.38464 -1.80864 2.90050

H 0.29823 -2.74086 2.70020

H 1.31842 -1.60853 2.85566

O -4.15610 0.27496 -1.79391

H -5.02135 0.43051 -2.14860

H -3.54331 0.78994 -2.33178

O -0.09504 -4.39050 1.71937

H -0.02718 -5.27793 2.04512

H 0.36631 -4.36297 0.87289

O 0.86843 1.25619 2.10382

H 1.66675 0.72494 2.15863

H 1.08190 1.98871 1.52053

O -2.93186 3.23211 1.71108

H -2.36679 3.40688 0.95000

H -3.48789 3.99167 1.82187

O 2.80365 -0.72978 1.84803

H 2.42153 -0.92516 0.99417

H 3.70872 -0.45885 1.67957

O 4.36852 0.82222 -1.93650

H 4.61694 0.58191 -2.81948

H 3.42235 0.66338 -1.87235

O -1.27185 3.34764 -0.54573

H -0.40303 3.71338 -0.39789

H -1.10456 2.41255 -0.66919

O 1.56713 3.14579 0.08728

H 1.57907 2.42567 -0.54655

H 2.47280 3.44518 0.12020

O 5.19969 0.41146 0.86818

H 5.10140 1.35553 0.93177

H 5.15045 0.24231 -0.06824

O -2.32233 1.73814 -3.30275

H -1.61878 1.10574 -3.42681

H -1.95000 2.43371 -2.77260

O -2.90052 -2.36251 -1.57420

H -3.45071 -1.59677 -1.72145

H -2.10226 -2.18405 -2.06451

O 4.48235 3.14280 -0.27089

H 5.10704 3.82268 -0.48556

H 4.50064 2.51747 -0.99627

O 1.15210 -3.92275 -0.70313

H 0.79007 -4.11909 -1.55772

H 1.17123 -2.96669 -0.66192

60

Opt at HF/6-31G* level, Energy: -3065.0309265, ZPE: 0.510517 HARTREE/MOLECULE

S -0.61684 -1.35102 -0.68514

O 0.41665 -1.36744 0.38172

O -0.58257 0.03469 -1.24220

O -1.93620 -1.63145 -0.10443

S -0.17532 -2.66483 -2.11800

Ca 1.23597 1.00592 0.33636

O 2.20446 2.55328 1.96652

H 2.22479 2.20230 2.85360

H 1.87231 3.45092 1.99316

O 2.72114 1.11721 -1.57081

H 2.48065 1.59924 -2.35794

H 3.04522 0.25124 -1.84190

O 3.03904 -0.24275 1.41587

H 3.21385 -0.08156 2.33830

H 3.27610 -1.14719 1.21101

O 0.32645 3.11717 -0.82307

H 0.60270 3.12935 -1.74185

H -0.63212 3.06390 -0.83113

O 3.63591 -2.87305 0.49024

H 4.37545 -3.43219 0.68802

H 2.85413 -3.43645 0.51586

O 1.23526 2.64273 -3.49573

H 1.39368 3.22532 -4.22644

H 0.67474 1.92740 -3.82200

O -0.78867 1.44925 1.69838

H -1.44877 1.85234 1.13364

H -1.24998 0.75174 2.16657

O 2.33097 0.54436 4.07018

H 1.61192 -0.08195 3.93879

H 2.59618 0.46676 4.97652

O -2.29994 2.19511 -0.56285

H -2.01629 1.35120 -0.91049

H -3.25950 2.17334 -0.55343

O -4.61357 -1.41913 -0.78107

H -4.90969 -2.10874 -1.36054

H -3.66045 -1.52461 -0.70703

O 0.42855 -1.37816 3.32427

H -0.51157 -1.27919 3.44970

H 0.52657 -1.51805 2.38557

O -2.29841 -0.79650 2.58977

H -2.18600 -1.21029 1.73244

H -3.23847 -0.65136 2.66731

O -5.02156 1.48302 -0.36923

H -5.17054 1.24298 0.53922

H -5.02636 0.64717 -0.82691

O 1.33353 -4.44915 0.50370

H 0.92057 -4.22146 -0.32703

H 0.76280 -4.06476 1.15749

O 3.22073 -1.55443 -2.11476

H 3.51398 -2.00499 -1.32608

H 2.35870 -1.91834 -2.29866

O -5.13987 -0.54046 1.88626

H -5.91050 -0.85931 2.33672

H -5.08176 -1.02884 1.06443

O -0.40202 0.50605 -4.05665

H -0.12817 -0.30777 -4.46057

H -0.60599 0.26406 -3.15330

O 1.17043 5.05776 1.21697

H 0.81421 4.61188 0.45175

H 1.82152 5.66322 0.88873

63

Opt at HF/6-31G* level, Energy: -3141.0642072234 Eh, ZPE: 0.539571 HARTREE/MOLECULE

S -0.04945 2.01651 0.11519

O -0.93339 0.82134 0.25026

O 0.70605 1.88514 -1.14494

O 0.88458 2.01329 1.26817

S -1.16679 3.66030 0.11358

Ca -1.33000 -1.16490 -0.99545

O -0.22907 -4.56706 0.45669

H -0.40572 -4.49351 1.39082

H 0.38740 -3.86326 0.27366

O -3.77043 -0.57912 -1.06529

H -3.99853 0.25894 -0.63830

H -4.32017 -1.24250 -0.66629

O -2.23608 -1.91119 1.19429

H -1.84775 -2.55726 1.78296

H -2.51357 -1.18362 1.75333

O -0.02126 -1.92187 -3.07854

H -0.30718 -1.31955 -3.75582

H 0.93430 -1.96357 -3.10425

O -2.71290 0.59467 2.42959

H -2.24142 0.83872 3.22081

H -2.10996 0.83951 1.72690

O -1.90795 0.16397 -3.07817

H -2.85772 0.19207 -3.07255

H -1.60193 1.06646 -3.23899

O 0.90815 -1.94110 -0.22845

H 1.56832 -1.90366 -0.92545

H 1.30887 -1.48831 0.52227

O -0.82332 -3.48921 3.11665

H -0.24508 -2.79395 3.45580

H -1.19860 -3.91635 3.87514

O 2.72452 -1.64733 -2.37880

H 2.90780 -0.70816 -2.42154

H 3.54254 -2.04132 -2.07365

O 3.62896 2.92427 1.28574

H 3.72544 3.85180 1.45088

H 2.68793 2.75961 1.23961

O 0.76169 -1.38999 4.00006

H 1.46266 -1.21258 3.37660

H 0.34457 -0.54179 4.13185

O 2.22918 -0.45912 1.70286

H 1.77655 0.38207 1.61823

H 3.11363 -0.29951 1.37023

O 3.19342 1.13433 -2.00769

H 3.51885 1.81388 -2.58369

H 2.36322 1.46094 -1.64289

O -0.27509 1.39205 3.83716

H 0.09593 1.68984 3.00353

H -0.12929 2.09893 4.45210

O -4.24369 1.79156 0.28702

H -4.09042 1.56998 1.20173

H -3.56587 2.43281 0.08538

O 4.61045 0.41903 0.37607

H 4.69585 1.22839 0.87642

H 4.21752 0.70705 -0.44823

O -0.87668 2.71556 -3.35122

H -1.41105 3.40952 -2.98307

H -0.19769 2.58435 -2.68922

O -1.92759 -3.51847 -1.49199

H -1.48498 -3.77302 -2.29325

H -1.55033 -4.06572 -0.79572

O 5.13615 -2.12178 -0.92101

H 5.49916 -2.83732 -0.41771

H 5.21095 -1.34185 -0.37534

5

Opt at HF/6-31G*, Energy: -1019.4621013463, ZPE: 0.015150 HARTREE/MOLECULE

S 0.39360 0.00002 -0.00000

O 0.85094 -0.73270 -1.19280

O 0.85038 1.39957 -0.03817

O 0.85097 -0.66658 1.23096

S -1.67046 -0.00016 0.00001

8

Opt at HF/6-31G*, Energy: -1095.5126092299, ZPE: 0.041990 HARTREE/MOLECULE

S -0.67552 0.25801 -0.00027

O -1.52058 0.33425 1.19693

O 0.36405 1.31400 0.03162

O -1.47205 0.35948 -1.22844

S 0.28924 -1.56369 0.00019

O 3.08669 0.55812 -0.00022

H 2.73704 -0.32916 -0.00669

H 2.24659 1.02839 0.01093

11

Opt at HF/6-31G*, Energy: -1171.5601410711, ZPE: 0.068700 HARTREE/MOLECULE

S 0.00228 -0.73588 0.02231

O -1.22315 -0.84343 -0.79413

O 1.19550 -0.81027 -0.84407

O 0.03772 -1.76649 1.05938

S -0.00383 1.11237 0.92877

O 3.18061 1.20800 -0.60683

H 2.54349 1.63590 -0.04225

H 2.67185 0.42029 -0.81884

O -3.18663 1.20145 -0.60734

H -2.54585 1.63588 -0.05205

H -2.68439 0.40531 -0.80270

14

Opt at HF/6-31G*, Energy: -1247.6030023916, ZPE: 0.096272 HARTREE/MOLECULE

S -0.30549 0.72555 0.06192

O -1.39343 0.70156 1.05439

O 0.99892 0.53290 0.74825

O -0.30209 1.96401 -0.70913

S -0.56761 -0.86219 -1.21292

O 3.77837 0.36959 -0.07293

H 3.55438 -0.55329 -0.01011

H 2.91540 0.76521 0.05861

O -3.66696 -0.94007 0.52169

H -3.12968 -1.29142 -0.18178

H -3.04583 -0.29651 0.87127

O 2.10578 -2.05468 0.65451

H 1.51084 -2.16284 -0.08420

H 1.76005 -1.22528 0.99563

17

Opt at HF/6-31G*, Energy: -1323.6456509860, ZPE: 0.122626 HARTREE/MOLECULE

S -0.21578 -0.07933 -0.67755

O -1.11027 0.84118 -1.38992

O 1.19808 0.27436 -0.93900

O -0.46962 -1.47421 -1.05543

S -0.54593 0.12281 1.33685

O 3.85372 -0.70221 -0.19445

H 3.72723 -0.00379 0.43958

H 2.98861 -0.72950 -0.60279

O -2.97892 2.42853 0.10012

H -2.58511 2.01180 0.85967

H -2.46309 2.00663 -0.58942

O 2.55358 1.72005 1.07789

H 1.86865 1.37005 1.64186

H 2.17769 1.49080 0.22476

O -1.70076 -3.22589 0.86192

H -1.32922 -2.83349 0.06994

H -1.57938 -2.49868 1.46350

20

Opt at HF/6-31G*, Energy: -1399.6889731157, ZPE: 0.151816 HARTREE/MOLECULE

S -0.54546 -0.29596 -0.58757

O 0.15495 0.86992 -1.17792

O 0.28356 -1.49974 -0.73549

O -1.86298 -0.47353 -1.20203

S -0.79424 0.08411 1.40591

O 2.92394 -2.01648 0.14694

H 2.93335 -1.42018 0.89100

H 2.00841 -1.97993 -0.14647

O -0.84084 3.37641 -0.08094

H -1.06155 2.83671 0.67077

H -0.48188 2.70678 -0.66333

O 2.68185 0.46305 1.82686

H 1.72728 0.39040 1.86331

H 2.84583 0.80219 0.94876

O -4.05308 -1.14933 0.54995

H -3.48723 -0.99579 -0.20802

H -3.45413 -0.90321 1.24668

O 3.00111 0.72360 -1.11379

H 3.09891 -0.21606 -0.98710

H 2.05116 0.83528 -1.22492

23

Opt at HF/6-31G*, Energy: -1475.7321419526, ZPE: 0.181270 HARTREE/MOLECULE

S 1.00329 0.47603 -0.48077

O 0.05370 -0.19146 -1.40690

O 0.50778 1.81579 -0.14654

O 2.34358 0.52420 -1.06704

S 1.07818 -0.63700 1.23358

O -2.11508 2.44137 0.78270

H -2.25582 1.70028 1.36933

H -1.19654 2.34371 0.51572

O -0.71129 -2.81099 -0.75882

H -0.24729 -2.67921 0.06354

H -0.44681 -2.00942 -1.21953

O -3.30154 -1.57169 -0.13926

H -2.51374 -2.08377 -0.32347

H -3.19529 -0.78429 -0.67641

O 4.58487 -0.37899 0.50728

H 4.01735 -0.00245 -0.16643

H 3.92493 -0.66720 1.12851

O -2.61382 0.82596 -1.61254

H -2.59943 1.46914 -0.90493

H -1.69334 0.55599 -1.67772

O -2.26573 -0.14007 2.22833

H -1.32630 -0.24532 2.07624

H -2.67399 -0.65019 1.52910

26

Opt at HF/6-31G*, Energy: -1551.7717716157, ZPE: 0.208930 HARTREE/MOLECULE

S -0.75956 0.49664 -0.45972

O 0.47382 0.98474 -1.11583

O -0.93130 -0.94617 -0.73753

O -1.92539 1.25781 -0.89641

S -0.53352 0.71033 1.55690

O 1.26623 -2.81367 -0.54794

H 1.62838 -2.52771 0.28936

H 0.47272 -2.28190 -0.64370

O 2.14354 2.62353 0.45274

H 1.60772 2.36844 1.19830

H 1.62292 2.24660 -0.26121

O 4.00210 0.35500 0.23931

H 3.49444 1.15688 0.36349

H 3.65656 -0.01501 -0.57498

O -4.71141 0.31917 -0.46942

H -4.40467 -0.42900 0.03437

H -3.89017 0.75593 -0.69301

O 2.58488 -0.71255 -2.05775

H 2.27033 -1.53797 -1.69005

H 1.84476 -0.12000 -1.90710

O 2.28051 -1.41824 1.84477

H 1.47964 -0.89500 1.86459

H 2.91693 -0.85974 1.39875

O -3.07490 -1.74917 1.01365

H -2.69039 -1.12238 1.61905

H -2.44473 -1.70783 0.29200

29

Opt at HF/6-31G*, Energy: -1627.8084738543, ZPE: 0.234955 HARTREE/MOLECULE

S 0.75112 0.34625 0.02766

O -0.34869 1.30328 0.30849

O 0.79433 -0.68713 1.07914

O 2.02934 1.05840 -0.06136

S 0.37254 -0.57552 -1.74402

O -1.54942 -2.12798 2.01385

H -1.93787 -2.34270 1.16701

H -0.71049 -1.72502 1.78422

O -2.10757 1.82615 -1.88626

H -1.62793 1.15538 -2.36322

H -1.56098 1.90031 -1.10217

O -4.09782 0.24157 -0.43099

H -3.55693 0.79240 -0.99656

H -3.73169 0.38185 0.44395

O 4.65411 -0.41330 -0.04326

H 4.21121 -1.25523 0.00498

H 3.92097 0.19847 -0.07286

O -2.59187 0.57816 2.01602

H -2.36130 -0.33200 2.20052

H -1.81441 0.91109 1.56520

O -2.59253 -2.26049 -0.73447

H -1.76448 -1.91100 -1.06032

H -3.17053 -1.49865 -0.68900

O 2.64934 -2.66738 0.05159

H 2.26172 -2.44693 -0.78992

H 2.11629 -2.13445 0.64253

O 1.37269 3.73183 0.97230

H 0.52907 3.29343 0.94074

H 1.92877 3.03227 0.63821

32

Opt at HF/6-31G*, Energy: -1703.8425096126, ZPE: 0.261916 HARTREE/MOLECULE

S 0.61326 0.04492 -0.09260

O -0.18312 -1.14718 -0.48258

O 0.31924 1.16376 -1.00437

O 2.04618 -0.28994 -0.12636

S 0.09798 0.59520 1.78788

O -2.36775 2.02214 -1.73408

H -2.75668 2.03218 -0.86044

H -1.44169 1.84131 -1.56962

O -1.71581 -2.35601 1.63622

H -1.38928 -1.66484 2.20390

H -1.19360 -2.19637 0.84940

O -4.10701 -1.17345 0.44413

H -3.42304 -1.63548 0.92845

H -3.75883 -1.12046 -0.44740

O 4.10178 1.96325 -0.15850

H 3.42623 2.62374 -0.03656

H 3.59980 1.15170 -0.15703

O -2.66003 -0.84134 -2.03643

H -2.68304 0.11186 -2.11768

H -1.80165 -1.00694 -1.64605

O -3.26462 1.56778 1.02461

H -2.36407 1.40705 1.29990

H -3.63622 0.69419 0.89907

O 1.53816 3.48941 0.23088

H 1.29793 3.06798 1.05001

H 1.14384 2.89387 -0.40647

O 3.28332 -2.92384 0.82529

H 2.88277 -3.18128 0.00161

H 2.96654 -2.03082 0.92813

O 1.94517 -2.66949 -1.86497

H 1.07298 -2.47773 -1.52651

H 2.38900 -1.85308 -1.65451

35

Opt at HF/6-31G*, Energy: -1779.8806390891, ZPE: 0.291462 HARTREE/MOLECULE

S 0.44569 0.57855 -0.21530

O 0.00221 -0.74144 -0.74396

O -0.22339 1.65946 -0.95456

O 1.90436 0.68414 -0.31949

S -0.09203 0.70270 1.73675

O -3.12223 1.68963 -1.38573

H -3.41448 1.47308 -0.50140

H -2.17463 1.79695 -1.29862

O -0.69839 -2.60267 1.22915

H -0.58640 -1.94111 1.90639

H -0.48415 -2.08726 0.44559

O -3.55172 -2.16059 0.40958

H -2.71650 -2.44375 0.77434

H -3.33510 -1.88478 -0.48331

O 3.20209 3.45772 -0.25187

H 2.38177 3.85683 0.02189

H 2.96645 2.53750 -0.34081

O -2.59336 -1.06293 -2.07808

H -2.91027 -0.16183 -2.01643

H -1.67998 -0.99141 -1.80199

O -3.61372 0.63629 1.31464

H -2.68838 0.75057 1.52319

H -3.69341 -0.29100 1.09183

O 0.35929 4.07624 0.54019

H 0.32268 3.51172 1.30555

H 0.10239 3.46915 -0.15372

O 3.80172 -1.42933 0.32175

H 3.28402 -2.09360 0.76679

H 3.23184 -0.66127 0.26647

O 2.11711 -2.49780 -1.83792

H 1.40148 -1.88408 -1.67295

H 2.86610 -2.07812 -1.42151

O 1.96404 -3.87029 0.75890

H 1.10793 -3.57793 1.06209

H 1.97251 -3.64014 -0.16877

38

Opt at HF/6-31G*, Energy: -1855.9130185293, ZPE: 0.318344 HARTREE/MOLECULE

S -0.37286 0.00069 -0.23388

O 0.94043 0.46676 -0.75286

O -0.80774 -1.19206 -0.96843

O -1.36125 1.08538 -0.35188

S -0.16744 -0.45644 1.73148

O 0.93703 -3.54601 -1.24684

H 1.27091 -3.62335 -0.35431

H 0.26114 -2.87069 -1.18859

O 2.82033 1.09774 1.23063

H 2.21915 0.80531 1.91001

H 2.29445 0.92406 0.44451

O 4.20890 -1.48070 0.53495

H 3.92549 -0.63088 0.86324

H 3.87520 -1.50728 -0.36406

O -6.10679 -0.32594 -0.25911

H -5.49937 -0.91279 -0.70008

H -5.54839 0.09661 0.38512

O 2.80107 -1.47100 -1.97884

H 2.27453 -2.26655 -1.89769

H 2.18551 -0.77657 -1.74818

O 2.03337 -3.22631 1.46260

H 1.36925 -2.56384 1.64128

H 2.81522 -2.72283 1.23623

O -3.64029 -1.97492 -0.57069

H -3.62067 -1.47595 0.23901

H -2.77095 -1.81210 -0.93322

O -0.78633 3.92091 0.03116

H 0.04004 3.94646 0.50495

H -1.04478 2.99890 0.02465

O 1.14789 3.13013 -2.02012

H 1.07384 2.20153 -1.80206

H 0.35482 3.50676 -1.64636

O 2.22094 3.95344 0.59459

H 2.49924 3.11461 0.95422

H 2.08859 3.77598 -0.33505

O -3.58559 0.40435 1.31218

H -2.95091 0.12399 1.96370

H -3.01700 0.76731 0.63009

41

Opt at HF/6-31G*, Energy: -1931.9447377247, ZPE: 0.343567 HARTREE/MOLECULE

S -0.33338 -0.13443 0.28952

O 1.09479 -0.36303 0.61428

O -0.89307 0.90408 1.17149

O -1.08548 -1.39287 0.43324

S -0.46861 0.49400 -1.63248

O 0.55689 3.49738 1.48292

H 0.75017 3.69963 0.56833

H -0.01758 2.73468 1.44305

O 2.80248 -0.50264 -1.62946

H 2.08923 -0.27878 -2.21968

H 2.35031 -0.48572 -0.78202

O 3.86326 2.19711 -0.85782

H 3.68580 1.33686 -1.23006

H 3.66036 2.09574 0.07417

O -5.53499 0.42605 -0.93945

H -4.93952 1.06795 -0.56171

H -4.97496 -0.33198 -1.08548

O 2.82264 1.75136 1.78865

H 2.16856 2.44788 1.84930

H 2.30038 0.97989 1.57799

O 1.33023 3.57265 -1.34374

H 0.77818 2.81621 -1.52514

H 2.21269 3.21058 -1.26032

O -3.25117 2.17408 -0.08662

H -2.74957 2.05134 -0.88479

H -2.67691 1.78153 0.56689

O 0.04691 -4.04683 -0.20675

H 0.77267 -3.89055 -0.80453

H -0.40039 -3.20577 -0.12420

O 2.09131 -3.01199 1.59180

H 1.79737 -2.10827 1.49454

H 1.33756 -3.52086 1.30176

O 2.85800 -3.45448 -1.20926

H 2.92207 -2.55713 -1.52631

H 2.85860 -3.36471 -0.25798

O -3.36591 -1.58126 -1.42828

H -2.81753 -1.03464 -1.98027

H -2.81992 -1.67643 -0.65094

O -2.02702 -0.90197 3.33193

H -1.90137 -1.47677 2.58533

H -1.71647 -0.07455 2.97982

44

Opt at HF/6-31G*, Energy: -2007.9801929296, ZPE: 0.371309 HARTREE/MOLECULE

S 0.36885 -0.00341 -0.44646

O -1.03233 0.00386 -0.92224

O 1.07506 1.20027 -0.91433

O 1.06247 -1.21413 -0.91551

S 0.35411 -0.00427 1.58363

O 0.08880 3.97285 -0.84731

H -0.17880 4.00737 0.06993

H 0.55059 3.13995 -0.91979

O -3.03973 0.01581 1.10180

H -2.37510 0.01120 1.78361

H -2.49572 0.01355 0.31036

O -3.59567 2.87404 0.74247

H -3.63367 1.94573 0.95954

H -3.28193 2.88239 -0.16380

O 5.56871 -0.01123 1.17887

H 4.99592 0.73605 1.02877

H 4.99528 -0.75644 1.02104

O -2.26634 2.61290 -1.79494

H -1.52917 3.20076 -1.62831

H -1.88686 1.74128 -1.70398

O -0.96557 3.47455 1.83779

H -0.57994 2.60400 1.87236

H -1.87332 3.33723 1.56468

O 3.32399 1.93986 0.85816

H 2.76708 1.60467 1.55129

H 2.79696 1.77091 0.08074

O 0.05509 -3.98030 -0.83402

H -0.21597 -4.00952 0.08234

H 0.52432 -3.15172 -0.90806

O -2.28472 -2.59776 -1.79108

H -1.89705 -1.72962 -1.70083

H -1.55373 -3.19251 -1.62215

O -3.62220 -2.83747 0.74386

H -3.65038 -1.90824 0.95852

H -3.30629 -2.85197 -0.16150

O 3.31975 -1.95675 0.84573

H 2.76644 -1.62236 1.54206

H 2.78891 -1.78746 0.07089

O 2.17810 -0.01905 -3.51344

H 1.93983 -0.74866 -2.95232

H 1.95500 0.72066 -2.95953

O -1.00235 -3.46471 1.84848

H -1.90761 -3.31679 1.57246

H -0.60566 -2.59899 1.88026

47

Opt at HF/6-31G*, Energy: -2084.0124329197, ZPE: 0.399470 HARTREE/MOLECULE

S 0.33849 0.55837 0.35727

O 0.80573 -0.73697 0.90119

O 1.30593 1.61898 0.67597

O -0.98077 0.88279 0.92535

S 0.15431 0.40302 -1.65486

O 4.21280 1.26568 0.12319

H 4.16448 0.89304 -0.75622

H 3.31609 1.53148 0.31823

O 0.71467 -2.95804 -0.82167

H 0.53076 -2.42778 -1.58986

H 0.74178 -2.29411 -0.12720

O 3.69649 -2.78639 -0.99817

H 2.77875 -3.04546 -1.00088

H 3.81872 -2.36924 -0.14304

O -2.30063 4.90248 -1.02575

H -1.36433 4.73319 -0.95516

H -2.69989 4.06203 -0.82510

O 3.69130 -1.25392 1.42616

H 4.05477 -0.42143 1.12400

H 2.75105 -1.08834 1.45035

O 3.65206 -0.19846 -2.35291

H 2.72246 0.00667 -2.30417

H 3.72518 -1.08871 -2.00758

O 0.53435 3.93443 -0.99246

H 0.45387 3.26506 -1.66263

H 0.80869 3.42514 -0.23295

O -4.53149 -0.61773 -0.27057

H -4.09929 -1.01969 -1.02364

H -4.19129 0.27360 -0.25955

O -3.29097 -2.51554 1.59060

H -2.67671 -2.04714 2.15071

H -3.74814 -1.84314 1.08464

O -2.07296 -3.95630 -0.59839

H -1.13443 -3.79008 -0.55295

H -2.44854 -3.57334 0.19653

O -3.02760 1.95395 -0.64604

H -2.61594 1.72035 -1.47026

H -2.35810 1.70447 -0.00335

O 0.79433 1.56220 3.91368

H 0.16335 0.85513 3.85120

H 1.02688 1.74821 3.00966

O -2.78489 -1.74888 -2.29602

H -2.58624 -2.56438 -1.83234

H -2.03937 -1.18035 -2.12595

O -1.23003 -0.89301 3.07354

H -0.44516 -1.27095 2.68827

H -1.40107 -0.17743 2.45999

50

Opt at HF/6-31G*, Energy: -2160.0450947649, ZPE: 0.428232 HARTREE/MOLECULE

S -0.45317 0.26861 -0.42093

O -0.42585 -1.13878 -0.88044

O -1.72384 0.89943 -0.79833

O 0.67675 1.00290 -1.01828

S -0.24469 0.29558 1.59428

O -4.34993 -0.39219 -0.21444

H -4.19356 -0.67328 0.68614

H -3.60297 0.16544 -0.42268

O 0.33954 -3.11377 0.97576

H 0.32016 -2.52212 1.72024

H 0.11101 -2.52683 0.24980

O -2.51998 -3.95545 1.12814

H -1.56864 -3.89376 1.14654

H -2.75640 -3.64910 0.25034

O 0.61675 4.97169 0.46777

H 0.07062 4.68833 1.19767

H 1.30149 4.31049 0.40806

O -2.97148 -2.63652 -1.37522

H -3.60060 -1.96207 -1.11776

H -2.14305 -2.16382 -1.41452

O -3.36270 -1.43413 2.33659

H -2.55825 -0.92694 2.27722

H -3.12425 -2.31298 2.04008

O -1.43318 3.70215 2.18467

H -1.17312 2.78576 2.21162

H -1.89826 3.78111 1.35235

O 4.64563 0.63658 0.28651

H 4.32505 0.17204 1.05919

H 4.05135 1.37821 0.20586

O 4.07040 -1.65149 -1.45763

H 3.34470 -1.41168 -2.02954

H 4.31140 -0.84969 -0.99348

O 3.29374 -3.23848 0.83042

H 2.35100 -3.37219 0.76737

H 3.55733 -2.82033 0.00877

O 2.37370 2.56837 0.51865

H 2.07854 2.23657 1.35920

H 1.81121 2.09234 -0.10040

O -1.00626 0.60226 -4.16142

H -0.17587 0.17809 -3.97869

H -1.36280 0.80235 -3.30308

O 3.22606 -0.81706 2.35980

H 3.30775 -1.68481 1.95900

H 2.34080 -0.53207 2.15364

O 1.62411 -0.79437 -2.96440

H 0.99051 -1.35616 -2.52682

H 1.53945 0.00357 -2.44226

O -1.97355 3.84734 -0.64272

H -1.08680 4.19658 -0.65120

H -1.88563 2.91129 -0.81621

53

Opt at HF/6-31G*, Energy: -2236.0865456775, ZPE: 0.457393 HARTREE/MOLECULE

S -0.11596 0.36352 -0.10818

O -0.82326 -0.72757 -0.82004

O -0.99282 1.53949 0.01235

O 1.11828 0.70877 -0.83431

S 0.36210 -0.27790 1.74980

O -3.53050 1.20854 1.37275

H -3.50047 0.60174 2.11269

H -2.61476 1.36273 1.14260

O -0.57093 -3.30017 0.36806

H -0.23837 -2.89273 1.16188

H -0.67067 -2.53791 -0.20586

O -3.42930 -3.02482 1.21293

H -2.56052 -3.32117 0.95333

H -3.68025 -2.40057 0.53223

O 2.32904 3.35122 -1.43081

H 3.14563 3.15753 -0.97047

H 1.85518 2.52348 -1.41254

O -3.72795 -0.83995 -0.67921

H -3.84737 -0.13534 -0.04226

H -2.79920 -0.78145 -0.90397

O -2.90472 -0.94349 3.18203

H -1.98491 -0.78062 2.99276

H -3.13396 -1.69715 2.63680

O 2.52398 2.57278 2.36472

H 1.89630 3.17329 1.95996

H 2.07061 1.73519 2.35623

O 3.77356 -0.40581 -0.55291

H 3.79485 -1.00007 0.19845

H 2.87778 -0.06753 -0.57664

O 3.04437 -2.56364 -2.45024

H 2.28616 -2.13647 -2.84743

H 3.46056 -1.87411 -1.93614

O 2.20717 -4.24757 -0.26870

H 1.27064 -4.08895 -0.18337

H 2.47613 -3.78901 -1.06681

O 4.50880 2.38212 0.24232

H 3.95797 2.44672 1.02354

H 4.46317 1.46470 -0.01721

O -3.53157 2.72800 -1.20344

H -2.62535 2.43782 -1.14442

H -3.89768 2.48277 -0.36088

O 3.32715 -2.31438 1.55724

H 3.01830 -3.04951 1.02472

H 2.54058 -1.82753 1.78358

O 0.79337 -0.91448 -3.29251

H 0.07196 -1.11472 -2.70231

H 1.14800 -0.13180 -2.88312

O 0.59623 4.02884 0.78216

H 1.14799 4.02091 0.00035

H -0.03021 3.32527 0.63028

O -5.22304 0.79713 -2.75309

H -4.71464 1.54517 -2.45240

H -4.86392 0.07759 -2.24344