Supporting Information

for

Stable α-heteroatom-free dialkylcarbenes: A DFT study

M.Z. Kassaee,[(] M.R. Momeni

Department of Chemistry, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Iran

XYZ Coordinates for all the structures studied in this work

B3LYP/6-311+G**

************************************************************************

1(S) (C2v)

HF = -272.6720454

1 6 0 2.422224 -0.733500 -0.182215

2 6 0 2.422249 0.733487 -0.182172

3 6 0 1.207655 0.000015 0.455704

4 6 0 0.000000 -0.000002 -0.313250

5 1 0 3.047985 -1.260725 0.527423

6 1 0 2.213278 1.253147 -1.106830

7 1 0 1.207133 0.000002 1.550662

8 6 0 -1.207655 -0.000019 0.455704

9 6 0 -2.422251 -0.733485 -0.182175

10 6 0 -2.422222 0.733503 -0.182211

11 1 0 2.213218 -1.253077 -1.106912

12 1 0 3.048055 1.260617 0.527498

13 1 0 -1.207133 -0.000009 1.550662

14 1 0 -3.048058 -1.260617 0.527492

15 1 0 -2.213282 -1.253141 -1.106836

16 1 0 -3.047982 1.260726 0.527428

17 1 0 -2.213214 1.253084 -1.106906

1(T) (C2)

HF = -272.647704

1 6 0 -2.360275 -0.544256 0.594689

2 6 0 -2.543111 0.627320 -0.320524

3 6 0 -1.261879 -0.185126 -0.426340

4 6 0 0.000000 0.365921 -0.000053

5 1 0 -2.931285 -1.446259 0.406579

6 1 0 -2.454256 1.619990 0.103706

7 1 0 -1.219501 -0.853971 -1.288756

8 6 0 1.261859 -0.185115 0.426308

9 6 0 2.543094 0.627331 0.320547

10 6 0 2.360313 -0.544264 -0.594652

11 1 0 -2.140621 -0.347464 1.636601

12 1 0 -3.253404 0.542257 -1.134275

13 1 0 1.219431 -0.853944 1.288735

14 1 0 3.253342 0.542288 1.134339

15 1 0 2.454260 1.619993 -0.103709

16 1 0 2.931315 -1.446261 -0.406491

17 1 0 2.140715 -0.347495 -1.636580

2(S) (C2)

HF = -350.1080087

1 6 0 1.137842 -0.068595 0.118499

2 6 0 0.000005 -0.960636 -0.000191

3 6 0 -1.137848 -0.068580 -0.118523

4 6 0 -0.720943 1.405301 -0.272894

5 6 0 0.720909 1.405278 0.272926

6 6 0 2.473851 -0.594910 0.637337

7 6 0 2.311921 -0.480273 -0.827398

8 6 0 -2.473891 -0.594865 -0.637275

9 6 0 -2.311847 -0.480365 0.827455

10 1 0 2.460960 -1.582409 1.080113

11 1 0 3.092166 0.139550 1.141675

12 1 0 2.170404 -1.379814 -1.410195

13 1 0 2.773441 0.351794 -1.346049

14 1 0 -2.461032 -1.582325 -1.080138

15 1 0 -3.092221 0.139644 -1.141521

16 1 0 -2.170254 -1.379952 1.410163

17 1 0 -2.773378 0.351636 1.346202

18 1 0 -1.377788 2.107011 0.248504

19 1 0 0.731585 1.676814 1.334416

20 1 0 -0.731627 1.676902 -1.334369

21 1 0 1.377755 2.107024 -0.248422

2(T) (C2)

HF = -350.075519

1 6 0 -0.416581 1.159754 0.108401

2 6 0 0.000000 0.000000 0.891287

3 6 0 0.416581 -1.159754 0.108401

4 6 0 0.000000 -0.774376 -1.326840

5 6 0 0.000000 0.774376 -1.326840

6 6 0 -1.712606 1.924821 0.387540

7 6 0 -0.378846 2.589749 0.601823

8 6 0 1.712606 -1.924821 0.387540

9 6 0 0.378846 -2.589749 0.601823

10 1 0 -2.285057 1.630502 1.258971

11 1 0 -2.305427 2.228650 -0.468614

12 1 0 -0.047651 2.759244 1.619680

13 1 0 -0.068579 3.350512 -0.106929

14 1 0 2.285057 -1.630502 1.258971

15 1 0 2.305427 -2.228650 -0.468614

16 1 0 0.047651 -2.759244 1.619680

17 1 0 0.068579 -3.350512 -0.106929

18 1 0 -1.010966 -1.148375 -1.518602

19 1 0 -0.665831 1.196568 -2.083911

20 1 0 0.665831 -1.196568 -2.083911

21 1 0 1.010966 1.148375 -1.518602

3(S) (C2v)

HF = -348.8807301

1 6 0 -0.669816 1.405464 0.000048

2 6 0 0.669816 1.405464 0.000079

3 6 0 1.133966 -0.015275 -0.000214

4 6 0 0.000000 -0.928177 -0.000413

5 6 0 -1.133966 -0.015275 -0.000047

6 6 0 2.427846 -0.471141 0.733475

7 6 0 2.428214 -0.470849 -0.733251

8 1 0 -1.316405 2.275577 0.000208

9 6 0 -2.428117 -0.470888 -0.733312

10 1 0 2.350253 -1.413608 1.257948

11 1 0 2.943613 0.323021 1.259655

12 1 0 2.350957 -1.413135 -1.258107

13 1 0 2.944319 0.323485 -1.258844

14 6 0 -2.427943 -0.471102 0.733415

15 1 0 1.316404 2.275577 0.000213

16 1 0 -2.350747 -1.413188 -1.258121

17 1 0 -2.944106 0.323438 -1.259029

18 1 0 -2.350464 -1.413555 1.257933

19 1 0 -2.943826 0.323069 1.259470

3(T) (C2v)

HF = -348.8455495

1 6 0 0.669841 1.331619 0.000119

2 6 0 -0.669843 1.331618 0.000016

3 6 0 -1.222155 -0.062795 -0.000017

4 6 0 0.000001 -0.871887 -0.000148

5 6 0 1.222156 -0.062792 -0.000036

6 6 0 -2.503017 -0.431416 -0.749486

7 6 0 -2.502922 -0.431541 0.749520

8 1 0 1.304397 2.210686 0.000198

9 6 0 2.502921 -0.431558 0.749492

10 1 0 -2.506838 -1.383488 -1.266480

11 1 0 -3.020201 0.368643 -1.267380

12 1 0 -2.506661 -1.383746 1.266277

13 1 0 -3.020079 0.368361 1.267684

14 6 0 2.503019 -0.431399 -0.749514

15 1 0 -1.304401 2.210683 0.000025

16 1 0 2.506640 -1.383769 1.266237

17 1 0 3.020082 0.368332 1.267670

18 1 0 2.506856 -1.383465 -1.266520

19 1 0 3.020206 0.368669 -1.267391

************************************************************************

MP2/6-31+G*

1(S) (C2v)

MP2 = -271.6366018

1 6 0 -2.408128 -0.733394 0.180219

2 6 0 -2.408155 0.733369 0.180251

3 6 0 -1.200248 0.000035 -0.457189

4 6 0 0.000000 -0.000001 0.326299

5 1 0 -3.037550 -1.260144 -0.529982

6 1 0 -2.196155 1.252554 1.107203

7 1 0 -1.195315 0.000046 -1.553021

8 6 0 1.200248 -0.000039 -0.457189

9 6 0 2.408157 -0.733367 0.180254

10 6 0 2.408126 0.733396 0.180216

11 1 0 -2.196098 -1.252619 1.107141

12 1 0 -3.037606 1.260122 -0.529922

13 1 0 1.195315 -0.000055 -1.553021

14 1 0 3.037610 -1.260121 -0.529917

15 1 0 2.196159 -1.252548 1.107208

16 1 0 3.037546 1.260145 -0.529987

17 1 0 2.196095 1.252625 1.107135

1(T) (C2)

MP2 = -271.6128511

1 6 0 -2.293593 -0.587804 0.580604

2 6 0 -2.550391 0.607684 -0.286190

3 6 0 -1.248115 -0.147921 -0.443597

4 6 0 0.000000 0.453943 -0.000020

5 1 0 -2.837493 -1.504954 0.374424

6 1 0 -2.491270 1.588774 0.174002

7 1 0 -1.182361 -0.780684 -1.331920

8 6 0 1.248105 -0.147922 0.443581

9 6 0 2.550384 0.607686 0.286207

10 6 0 2.293610 -0.587801 -0.580595

11 1 0 -2.058203 -0.416678 1.626191

12 1 0 -3.281433 0.519943 -1.083884

13 1 0 1.182330 -0.780687 1.331901

14 1 0 3.281407 0.519945 1.083919

15 1 0 2.491273 1.588776 -0.173984

16 1 0 2.837506 -1.504951 -0.374403

17 1 0 2.058244 -0.416674 -1.626188

2(S) (C2)

MP2 = -348.8075177

1 6 0 -1.122092 -0.074475 -0.161883

2 6 0 0.000013 -0.979166 -0.000378

3 6 0 1.122074 -0.074516 0.161826

4 6 0 0.692357 1.383081 0.331337

5 6 0 -0.692442 1.383141 -0.331258

6 6 0 -2.475497 -0.586365 -0.608149

7 6 0 -2.248415 -0.453738 0.850441

8 6 0 2.475428 -0.586455 0.608269

9 6 0 2.248571 -0.453527 -0.850334

10 1 0 -2.497850 -1.585687 -1.030623

11 1 0 -3.112193 0.149243 -1.093160

12 1 0 -2.101236 -1.352587 1.438449

13 1 0 -2.672022 0.396522 1.377753

14 1 0 2.497735 -1.585862 1.030545

15 1 0 3.112100 0.149048 1.093477

16 1 0 2.101529 -1.352265 -1.438547

17 1 0 2.672146 0.396881 -1.377434

18 1 0 1.391483 2.103978 -0.110666

19 1 0 -0.609222 1.614548 -1.402138

20 1 0 0.609122 1.614336 1.402246

21 1 0 -1.391570 2.103965 0.110865

2(T) (C2)

MP2 = -348.7749508

1 6 0 -0.474026 1.131444 0.113373

2 6 0 0.000000 0.000000 0.922399

3 6 0 0.474026 -1.131444 0.113373

4 6 0 0.000000 -0.770955 -1.298479

5 6 0 0.000000 0.770955 -1.298479

6 6 0 -1.826394 1.785749 0.345287

7 6 0 -0.554906 2.553941 0.599863

8 6 0 1.826394 -1.785749 0.345287

9 6 0 0.554906 -2.553941 0.599863

10 1 0 -2.402008 1.453389 1.204121

11 1 0 -2.413911 2.045773 -0.531965

12 1 0 -0.274733 2.750130 1.630810

13 1 0 -0.282464 3.336114 -0.104733

14 1 0 2.402008 -1.453389 1.204121

15 1 0 2.413911 -2.045773 -0.531965

16 1 0 0.274733 -2.750130 1.630810

17 1 0 0.282464 -3.336114 -0.104733

18 1 0 -1.022223 -1.143602 -1.447599

19 1 0 -0.639207 1.202604 -2.078092

20 1 0 0.639207 -1.202604 -2.078092

21 1 0 1.022223 1.143602 -1.447599

3(S) (C2v)

MP2 = -347.6145394

1 6 0 -0.676541 1.403265 0.000350

2 6 0 0.676541 1.403265 0.000282

3 6 0 1.124480 -0.014378 -0.000277

4 6 0 0.000000 -0.931269 -0.000631

5 6 0 -1.124480 -0.014378 -0.000075

6 6 0 2.415720 -0.470458 0.732640

7 6 0 2.416202 -0.469878 -0.732489

8 1 0 -1.329936 2.273748 0.000722

9 6 0 -2.416069 -0.469904 -0.732603

10 1 0 2.335938 -1.415895 1.256806

11 1 0 2.927865 0.329307 1.259095

12 1 0 2.336824 -1.414922 -1.257427

13 1 0 2.928783 0.330263 -1.257952

14 6 0 -2.415853 -0.470432 0.732527

15 1 0 1.329936 2.273748 0.000555

16 1 0 -2.336561 -1.414955 -1.257506

17 1 0 -2.928503 0.330241 -1.258202

18 1 0 -2.336202 -1.415862 1.256726

19 1 0 -2.928145 0.329330 1.258846

3(T) (C2v)

MP2 = -347.5788083

1 6 0 -0.675945 1.325975 -0.000116

2 6 0 0.675945 1.325975 -0.000081

3 6 0 1.222111 -0.063322 0.000015

4 6 0 0.000000 -0.884611 0.000113

5 6 0 -1.222112 -0.063320 0.000026

6 6 0 2.492279 -0.426605 0.750619

7 6 0 2.492242 -0.426745 -0.750596

8 1 0 -1.311773 2.209558 -0.000204

9 6 0 -2.492242 -0.426748 -0.750581

10 1 0 2.500191 -1.383501 1.264202

11 1 0 3.009919 0.377975 1.266219

12 1 0 2.500122 -1.383746 -1.263984

13 1 0 3.009862 0.377724 -1.266388

14 6 0 -2.492280 -0.426602 0.750634

15 1 0 1.311774 2.209557 -0.000143

16 1 0 -2.500110 -1.383748 -1.263971

17 1 0 -3.009864 0.377719 -1.266375

18 1 0 -2.500202 -1.383498 1.264216

19 1 0 -3.009920 0.377979 1.266230

************************************************************************

B3LYP/6-31+G*

1(S) (C2v)

HF = -272.6092639

1 6 0 -2.428617 -0.734997 0.177172

2 6 0 -2.428820 0.734812 0.177445

3 6 0 -1.208440 0.000154 -0.449450

4 6 0 0.000000 -0.000001 0.326582

5 1 0 -3.050868 -1.264844 -0.538817

6 1 0 -2.231601 1.256901 1.107404

7 1 0 -1.200194 0.000321 -1.547863

8 6 0 1.208440 -0.000161 -0.449450

9 6 0 2.428824 -0.734808 0.177447

10 6 0 2.428613 0.735001 0.177169

11 1 0 -2.230965 -1.257193 1.106975

12 1 0 -3.051088 1.264807 -0.538445

13 1 0 1.200194 -0.000335 -1.547863

14 1 0 3.051098 -1.264801 -0.538439

15 1 0 2.231606 -1.256896 1.107408

16 1 0 3.050858 1.264850 -0.538823

17 1 0 2.230960 1.257198 1.106971

1(T) (C2)

HF = -272.5848552

1 6 0 -2.365263 -0.544791 0.595929

2 6 0 -2.548858 0.627282 -0.321549

3 6 0 -1.265481 -0.185489 -0.425730

4 6 0 0.000000 0.369040 -0.000074

5 1 0 -2.937540 -1.450656 0.409286

6 1 0 -2.463296 1.624252 0.102405

7 1 0 -1.222357 -0.857406 -1.290019

8 6 0 1.265452 -0.185478 0.425684

9 6 0 2.548833 0.627297 0.321586

10 6 0 2.365318 -0.544798 -0.595881

11 1 0 -2.148294 -0.347625 1.642048

12 1 0 -3.261326 0.542223 -1.138206

13 1 0 1.222257 -0.857377 1.289983

14 1 0 3.261238 0.542260 1.138299

15 1 0 2.463299 1.624257 -0.102397

16 1 0 2.937586 -1.450656 -0.409173

17 1 0 2.148431 -0.347655 -1.642020

1H2 (C2)

HF = -273.917241

1 6 0 -2.594674 0.428998 0.345198

2 6 0 -2.175811 -0.647542 -0.632942

3 6 0 -1.200502 -0.147849 0.408997

4 6 0 0.000000 0.687994 0.000000

5 1 0 -3.302852 0.168215 1.127990

6 1 0 -2.009038 -0.354102 -1.667744

7 1 0 -1.006948 -0.829520 1.237084

8 6 0 1.200496 -0.147863 -0.408984

9 6 0 2.175822 -0.647520 0.632956

10 6 0 2.594668 0.428989 -0.345224

11 1 0 -2.707512 1.442809 -0.033900

12 1 0 -2.598875 -1.642591 -0.518204

13 1 0 1.006930 -0.829563 -1.237044

14 1 0 2.598888 -1.642572 0.518245

15 1 0 2.009065 -0.354044 1.667751

16 1 0 3.302836 0.168183 -1.128016

17 1 0 2.707511 1.442812 0.033843

18 1 0 -0.287778 1.349569 -0.831483

19 1 0 0.287783 1.349576 0.831474

2(S) (C2)

HF = -350.0300397

1 6 0 1.140279 -0.070706 0.111759

2 6 0 0.000014 -0.966151 -0.000135

3 6 0 -1.140273 -0.070700 -0.111682

4 6 0 -0.724181 1.405511 -0.266994

5 6 0 0.724158 1.405512 0.266951

6 6 0 2.476119 -0.593157 0.642276

7 6 0 2.323052 -0.479145 -0.824991

8 6 0 -2.476080 -0.593205 -0.642221

9 6 0 -2.323083 -0.479122 0.825038

10 1 0 2.465740 -1.583352 1.087590

11 1 0 3.089833 0.144910 1.154255

12 1 0 2.191460 -1.382291 -1.411105

13 1 0 2.789058 0.354447 -1.344349

14 1 0 -2.465705 -1.583440 -1.087442

15 1 0 -3.089649 0.144868 -1.154361

16 1 0 -2.191433 -1.382206 1.411235

17 1 0 -2.789280 0.354433 1.344287

18 1 0 -1.378720 2.107638 0.263687

19 1 0 0.744975 1.682200 1.330189

20 1 0 -0.745014 1.682156 -1.330244

21 1 0 1.378707 2.107620 -0.263741

2(T) (C2)

HF = -349.997794

1 6 0 0.000000 1.234981 0.109017

2 6 0 0.000000 0.000000 0.893618

3 6 0 0.000000 -1.234981 0.109017

4 6 0 -0.262463 -0.729387 -1.327396

5 6 0 0.262463 0.729387 -1.327396

6 6 0 -0.959485 2.396149 0.387859

7 6 0 0.522348 2.569194 0.601155

8 6 0 0.959485 -2.396149 0.387859

9 6 0 -0.522348 -2.569194 0.601155

10 1 0 -1.600665 2.316175 1.261963

11 1 0 -1.417876 2.884444 -0.470135

12 1 0 0.894336 2.619431 1.621678

13 1 0 1.075345 3.180906 -0.109619

14 1 0 1.600665 -2.316175 1.261963

15 1 0 1.417876 -2.884444 -0.470135

16 1 0 -0.894336 -2.619431 1.621678

17 1 0 -1.075345 -3.180906 -0.109619

18 1 0 -1.343220 -0.738826 -1.520699

19 1 0 -0.221862 1.353193 -2.087851

20 1 0 0.221862 -1.353193 -2.087851

21 1 0 1.343220 0.738826 -1.520699

2H2 (C1)

HF = -351.3359547

1 6 0 -1.223464 -0.051447 -0.160808

2 6 0 0.004391 -0.915193 -0.452367

3 6 0 1.200020 -0.045059 -0.010452

4 6 0 0.658274 1.359632 0.318013

5 6 0 -0.747140 1.389375 -0.316420

6 6 0 -2.620676 -0.491005 -0.495678

7 6 0 -2.177960 -0.418244 0.954154

8 6 0 2.344058 -0.626491 0.784233

9 6 0 2.551729 -0.227220 -0.660774

10 1 0 -2.759866 -1.475708 -0.938080

11 1 0 -3.325915 0.257647 -0.851922

12 1 0 -2.016180 -1.353491 1.486348

13 1 0 -2.583551 0.381035 1.571733

14 1 0 2.319548 -1.687844 1.024597

15 1 0 2.797131 -0.006549 1.556219

16 1 0 2.661677 -1.019961 -1.398984

17 1 0 3.150099 0.658432 -0.867098

18 1 0 1.310301 2.159375 -0.053358

19 1 0 -0.677675 1.645613 -1.384113

20 1 0 0.573169 1.484191 1.406379

21 1 0 -1.418144 2.117610 0.154338

22 1 0 -0.030637 -1.881854 0.065358

23 1 0 0.064650 -1.124582 -1.530825

2NH2(S) (C2)

HF = -571.4286067

1 6 0 -1.120798 0.527438 0.169948

2 6 0 -0.000006 -0.343168 0.000385

3 6 0 1.121047 0.527220 -0.169889

4 6 0 0.722316 2.009104 -0.277921

5 6 0 -0.722117 2.009403 0.276467

6 6 0 -2.504959 0.161445 -0.686679

7 6 0 -2.440142 0.009573 0.777232

8 6 0 2.505023 0.162132 0.686309

9 6 0 2.439976 0.008698 -0.777494

10 1 0 -2.892444 1.097833 -1.086013

11 1 0 -2.975154 0.745637 1.376783

12 1 0 2.893191 1.098745 1.084490

13 1 0 2.974747 0.744182 -1.377970

14 1 0 0.738453 2.329836 -1.330276