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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 | -155.484534 |
| Energy at 298.15K | -155.489817 |
| HF Energy | -154.917014 |
| Nuclear repulsion energy | 103.118765 |
| 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 | 3254 | 3107 | ||||
| 2 | Ag | 3167 | 3024 | ||||
| 3 | Ag | 3148 | 3006 | ||||
| 4 | Ag | 1719 | 1641 | ||||
| 5 | Ag | 1502 | 1434 | ||||
| 6 | Ag | 1328 | 1268 | ||||
| 7 | Ag | 1249 | 1193 | ||||
| 8 | Ag | 910 | 869 | ||||
| 9 | Ag | 516 | 493 | ||||
| 10 | Au | 1033 | 986 | ||||
| 11 | Au | 896 | 856 | ||||
| 12 | Au | 527 | 503 | ||||
| 13 | Au | 158 | 151 | ||||
| 14 | Bg | 979 | 934 | ||||
| 15 | Bg | 897 | 857 | ||||
| 16 | Bg | 757 | 723 | ||||
| 17 | Bu | 3254 | 3107 | ||||
| 18 | Bu | 3166 | 3023 | ||||
| 19 | Bu | 3155 | 3013 | ||||
| 20 | Bu | 1654 | 1579 | ||||
| 21 | Bu | 1434 | 1369 | ||||
| 22 | Bu | 1337 | 1276 | ||||
| 23 | Bu | 1015 | 969 | ||||
| 24 | Bu | 294 | 281 |
| A | B | C |
|---|---|---|
| 1.38949 | 0.14620 | 0.13228 |
Point Group is C2h
Cartesians (Å)| Atom | x (Å) | y (Å) | z (Å) |
|---|---|---|---|
| C1 | 0.000 | 0.732 | 0.000 |
| C2 | 0.000 | -0.732 | 0.000 |
| C3 | 1.121 | 1.482 | 0.000 |
| C4 | -1.121 | -1.482 | 0.000 |
| H5 | -0.979 | 1.221 | 0.000 |
| H6 | 0.979 | -1.221 | 0.000 |
| H7 | 1.082 | 2.570 | 0.000 |
| H8 | 2.112 | 1.027 | 0.000 |
| H9 | -1.082 | -2.570 | 0.000 |
| H10 | -2.112 | -1.027 | 0.000 |
| C1 | C2 | C3 | C4 | H5 | H6 | H7 | H8 | H9 | H10 | |
|---|---|---|---|---|---|---|---|---|---|---|
| C1 | 1.4630 | 1.3491 | 2.4815 | 1.0939 | 2.1836 | 2.1335 | 2.1326 | 3.4745 | 2.7485 | C2 | 1.4630 | 2.4815 | 1.3491 | 2.1836 | 1.0939 | 3.4745 | 2.7485 | 2.1335 | 2.1326 | C3 | 1.3491 | 2.4815 | 3.7168 | 2.1156 | 2.7067 | 1.0884 | 1.0906 | 4.6126 | 4.0927 | C4 | 2.4815 | 1.3491 | 3.7168 | 2.7067 | 2.1156 | 4.6126 | 4.0927 | 1.0884 | 1.0906 | H5 | 1.0939 | 2.1836 | 2.1156 | 2.7067 | 3.1288 | 2.4634 | 3.0965 | 3.7921 | 2.5176 | H6 | 2.1836 | 1.0939 | 2.7067 | 2.1156 | 3.1288 | 3.7921 | 2.5176 | 2.4634 | 3.0965 | H7 | 2.1335 | 3.4745 | 1.0884 | 4.6126 | 2.4634 | 3.7921 | 1.8547 | 5.5774 | 4.8110 | H8 | 2.1326 | 2.7485 | 1.0906 | 4.0927 | 3.0965 | 2.5176 | 1.8547 | 4.8110 | 4.6973 | H9 | 3.4745 | 2.1335 | 4.6126 | 1.0884 | 3.7921 | 2.4634 | 5.5774 | 4.8110 | 1.8547 | H10 | 2.7485 | 2.1326 | 4.0927 | 1.0906 | 2.5176 | 3.0965 | 4.8110 | 4.6973 | 1.8547 |
| atom1 | atom2 | atom3 | angle | atom1 | atom2 | atom3 | angle | |
|---|---|---|---|---|---|---|---|---|
| C1 | C2 | C4 | 123.819 | C1 | C2 | H6 | 116.558 | |
| C1 | C3 | H7 | 121.793 | C1 | C3 | H8 | 121.526 | |
| C2 | C1 | C3 | 123.819 | C2 | C1 | H5 | 116.558 | |
| C2 | C4 | H9 | 121.793 | C2 | C4 | H10 | 121.526 | |
| C3 | C1 | H5 | 119.623 | C4 | C2 | H6 | 119.623 | |
| H7 | C3 | H8 | 116.682 | H9 | C4 | H10 | 116.682 |
Electronic state