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Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology |
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| State | Conformation | minimum conformation | conformer description | state description |
|---|---|---|---|---|
| 1 | 1 | yes | C2H | 1Ag |
| hartrees | |
|---|---|
| Energy at 0K | -46.427397 |
| Energy at 298.15K | -46.434558 |
| HF Energy | -45.835353 |
| Nuclear repulsion energy | 75.852444 |
| Mode Number | Symmetry | Frequency (cm-1) |
Scaled Frequency (cm-1) |
IR Intensities (km mol-1) |
Raman Act (Å4/u) |
Dep P | Dep U |
|---|---|---|---|---|---|---|---|
| 1 | Ag | 3811 | 3618 | 0.00 | |||
| 2 | Ag | 3084 | 2928 | 0.00 | |||
| 3 | Ag | 1556 | 1477 | 0.00 | |||
| 4 | Ag | 1513 | 1437 | 0.00 | |||
| 5 | Ag | 1315 | 1248 | 0.00 | |||
| 6 | Ag | 1096 | 1040 | 0.00 | |||
| 7 | Ag | 1014 | 963 | 0.00 | |||
| 8 | Ag | 475 | 451 | 0.00 | |||
| 9 | Au | 3164 | 3003 | 116.61 | |||
| 10 | Au | 1233 | 1171 | 2.61 | |||
| 11 | Au | 849 | 807 | 2.24 | |||
| 12 | Au | 277 | 263 | 294.25 | |||
| 13 | Au | 121 | 115 | 37.16 | |||
| 14 | Bg | 3138 | 2980 | 0.00 | |||
| 15 | Bg | 1323 | 1256 | 0.00 | |||
| 16 | Bg | 1166 | 1107 | 0.00 | |||
| 17 | Bg | 265 | 252 | 0.00 | |||
| 18 | Bu | 3812 | 3619 | 60.60 | |||
| 19 | Bu | 3085 | 2929 | 121.82 | |||
| 20 | Bu | 1558 | 1479 | 6.66 | |||
| 21 | Bu | 1415 | 1344 | 9.36 | |||
| 22 | Bu | 1207 | 1146 | 136.83 | |||
| 23 | Bu | 1077 | 1022 | 186.01 | |||
| 24 | Bu | 289 | 274 | 26.34 |
| A | B | C |
|---|---|---|
| 0.98262 | 0.13166 | 0.12159 |
Point Group is C2h
Cartesians (Å)| Atom | x (Å) | y (Å) | z (Å) |
|---|---|---|---|
| C1 | 0.000 | 0.766 | 0.000 |
| C2 | 0.000 | -0.766 | 0.000 |
| O3 | 1.389 | -1.164 | 0.000 |
| O4 | -1.389 | 1.164 | 0.000 |
| H5 | 1.412 | -2.139 | 0.000 |
| H6 | -1.412 | 2.139 | 0.000 |
| H7 | -0.526 | -1.133 | 0.902 |
| H8 | -0.526 | -1.133 | -0.902 |
| H9 | 0.526 | 1.133 | 0.902 |
| H10 | 0.526 | 1.133 | -0.902 |
| C1 | C2 | O3 | O4 | H5 | H6 | H7 | H8 | H9 | H10 | |
|---|---|---|---|---|---|---|---|---|---|---|
| C1 | 1.5317 | 2.3774 | 1.4448 | 3.2303 | 1.9700 | 2.1669 | 2.1669 | 1.1068 | 1.1068 | C2 | 1.5317 | 1.4448 | 2.3774 | 1.9700 | 3.2303 | 1.1068 | 1.1068 | 2.1669 | 2.1669 | O3 | 2.3774 | 1.4448 | 3.6239 | 0.9761 | 4.3308 | 2.1171 | 2.1171 | 2.6138 | 2.6138 | O4 | 1.4448 | 2.3774 | 3.6239 | 4.3308 | 0.9761 | 2.6138 | 2.6138 | 2.1171 | 2.1171 | H5 | 3.2303 | 1.9700 | 0.9761 | 4.3308 | 5.1269 | 2.3629 | 2.3629 | 3.5081 | 3.5081 | H6 | 1.9700 | 3.2303 | 4.3308 | 0.9761 | 5.1269 | 3.5081 | 3.5081 | 2.3629 | 2.3629 | H7 | 2.1669 | 1.1068 | 2.1171 | 2.6138 | 2.3629 | 3.5081 | 1.8037 | 2.4984 | 3.0814 | H8 | 2.1669 | 1.1068 | 2.1171 | 2.6138 | 2.3629 | 3.5081 | 1.8037 | 3.0814 | 2.4984 | H9 | 1.1068 | 2.1669 | 2.6138 | 2.1171 | 3.5081 | 2.3629 | 2.4984 | 3.0814 | 1.8037 | H10 | 1.1068 | 2.1669 | 2.6138 | 2.1171 | 3.5081 | 2.3629 | 3.0814 | 2.4984 | 1.8037 |
| atom1 | atom2 | atom3 | angle | atom1 | atom2 | atom3 | angle | |
|---|---|---|---|---|---|---|---|---|
| C1 | C2 | O3 | 105.981 | C1 | C2 | H7 | 109.372 | |
| C1 | C2 | H8 | 109.372 | C1 | O4 | H6 | 107.341 | |
| C2 | C1 | O4 | 105.981 | C2 | C1 | H9 | 109.372 | |
| C2 | C1 | H10 | 109.372 | C2 | O3 | H5 | 107.341 | |
| O3 | C2 | H7 | 111.453 | O3 | C2 | H8 | 111.453 | |
| O4 | C1 | H9 | 111.453 | O4 | C1 | H10 | 111.453 | |
| H7 | C2 | H8 | 109.141 | H9 | C1 | H10 | 109.141 |
Electronic state