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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 | -229.481897 |
| Energy at 298.15K | -229.489186 |
| HF Energy | -228.921675 |
| Nuclear repulsion energy | 130.982703 |
| 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 | 3950 | 3649 | 0.00 | |||
| 2 | Ag | 3139 | 2899 | 0.00 | |||
| 3 | Ag | 1625 | 1501 | 0.00 | |||
| 4 | Ag | 1587 | 1466 | 0.00 | |||
| 5 | Ag | 1366 | 1262 | 0.00 | |||
| 6 | Ag | 1172 | 1082 | 0.00 | |||
| 7 | Ag | 1052 | 972 | 0.00 | |||
| 8 | Ag | 503 | 465 | 0.00 | |||
| 9 | Au | 3197 | 2953 | 113.65 | |||
| 10 | Au | 1298 | 1199 | 3.90 | |||
| 11 | Au | 875 | 808 | 4.23 | |||
| 12 | Au | 265 | 245 | 291.22 | |||
| 13 | Au | 143 | 132 | 26.38 | |||
| 14 | Bg | 3171 | 2929 | 0.00 | |||
| 15 | Bg | 1376 | 1271 | 0.00 | |||
| 16 | Bg | 1232 | 1138 | 0.00 | |||
| 17 | Bg | 260 | 240 | 0.00 | |||
| 18 | Bu | 3949 | 3648 | 77.47 | |||
| 19 | Bu | 3141 | 2901 | 94.33 | |||
| 20 | Bu | 1634 | 1509 | 7.19 | |||
| 21 | Bu | 1491 | 1377 | 15.64 | |||
| 22 | Bu | 1254 | 1158 | 152.06 | |||
| 23 | Bu | 1162 | 1073 | 192.48 | |||
| 24 | Bu | 310 | 286 | 24.87 |
| A | B | C |
|---|---|---|
| 1.02451 | 0.13535 | 0.12516 |
Point Group is C2h
Cartesians (Å)| Atom | x (Å) | y (Å) | z (Å) |
|---|---|---|---|
| C1 | 0.000 | 0.755 | 0.000 |
| C2 | 0.000 | -0.755 | 0.000 |
| O3 | 1.354 | -1.163 | 0.000 |
| O4 | -1.354 | 1.163 | 0.000 |
| H5 | 1.386 | -2.122 | 0.000 |
| H6 | -1.386 | 2.122 | 0.000 |
| H7 | -0.532 | -1.114 | 0.885 |
| H8 | -0.532 | -1.114 | -0.885 |
| H9 | 0.532 | 1.114 | 0.885 |
| H10 | 0.532 | 1.114 | -0.885 |
| C1 | C2 | O3 | O4 | H5 | H6 | H7 | H8 | H9 | H10 | |
|---|---|---|---|---|---|---|---|---|---|---|
| C1 | 1.5100 | 2.3479 | 1.4141 | 3.1936 | 1.9467 | 2.1347 | 2.1347 | 1.0926 | 1.0926 | C2 | 1.5100 | 1.4141 | 2.3479 | 1.9467 | 3.1936 | 1.0926 | 1.0926 | 2.1347 | 2.1347 | O3 | 2.3479 | 1.4141 | 3.5699 | 0.9597 | 4.2778 | 2.0834 | 2.0834 | 2.5773 | 2.5773 | O4 | 1.4141 | 2.3479 | 3.5699 | 4.2778 | 0.9597 | 2.5773 | 2.5773 | 2.0834 | 2.0834 | H5 | 3.1936 | 1.9467 | 0.9597 | 4.2778 | 5.0692 | 2.3401 | 2.3401 | 3.4617 | 3.4617 | H6 | 1.9467 | 3.1936 | 4.2778 | 0.9597 | 5.0692 | 3.4617 | 3.4617 | 2.3401 | 2.3401 | H7 | 2.1347 | 1.0926 | 2.0834 | 2.5773 | 2.3401 | 3.4617 | 1.7693 | 2.4680 | 3.0366 | H8 | 2.1347 | 1.0926 | 2.0834 | 2.5773 | 2.3401 | 3.4617 | 1.7693 | 3.0366 | 2.4680 | H9 | 1.0926 | 2.1347 | 2.5773 | 2.0834 | 3.4617 | 2.3401 | 2.4680 | 3.0366 | 1.7693 | H10 | 1.0926 | 2.1347 | 2.5773 | 2.0834 | 3.4617 | 2.3401 | 3.0366 | 2.4680 | 1.7693 |
| atom1 | atom2 | atom3 | angle | atom1 | atom2 | atom3 | angle | |
|---|---|---|---|---|---|---|---|---|
| C1 | C2 | O3 | 106.775 | C1 | C2 | H7 | 109.158 | |
| C1 | C2 | H8 | 109.158 | C1 | O4 | H6 | 108.662 | |
| C2 | C1 | O4 | 106.775 | C2 | C1 | H9 | 109.158 | |
| C2 | C1 | H10 | 109.158 | C2 | O3 | H5 | 108.662 | |
| O3 | C2 | H7 | 111.787 | O3 | C2 | H8 | 111.787 | |
| O4 | C1 | H9 | 111.787 | O4 | C1 | H10 | 111.787 | |
| H7 | C2 | H8 | 108.125 | H9 | C1 | H10 | 108.125 |
Electronic state