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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 | -229.252659 |
| Energy at 298.15K | -229.259791 |
| HF Energy | -228.824978 |
| Nuclear repulsion energy | 127.967357 |
| 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 | 3666 | 3508 | 0.00 | |||
| 2 | Ag | 3063 | 2931 | 0.00 | |||
| 3 | Ag | 1596 | 1527 | 0.00 | |||
| 4 | Ag | 1514 | 1449 | 0.00 | |||
| 5 | Ag | 1306 | 1250 | 0.00 | |||
| 6 | Ag | 1035 | 991 | 0.00 | |||
| 7 | Ag | 998 | 955 | 0.00 | |||
| 8 | Ag | 470 | 449 | 0.00 | |||
| 9 | Au | 3133 | 2997 | 103.40 | |||
| 10 | Au | 1227 | 1174 | 2.96 | |||
| 11 | Au | 868 | 830 | 2.25 | |||
| 12 | Au | 260 | 249 | 366.67 | |||
| 13 | Au | 131 | 125 | 30.51 | |||
| 14 | Bg | 3107 | 2973 | 0.00 | |||
| 15 | Bg | 1347 | 1288 | 0.00 | |||
| 16 | Bg | 1172 | 1121 | 0.00 | |||
| 17 | Bg | 247 | 237 | 0.00 | |||
| 18 | Bu | 3668 | 3510 | 21.37 | |||
| 19 | Bu | 3068 | 2935 | 70.61 | |||
| 20 | Bu | 1607 | 1537 | 3.65 | |||
| 21 | Bu | 1436 | 1374 | 5.20 | |||
| 22 | Bu | 1210 | 1157 | 107.52 | |||
| 23 | Bu | 992 | 949 | 169.50 | |||
| 24 | Bu | 292 | 280 | 32.04 |
| A | B | C |
|---|---|---|
| 0.97938 | 0.12944 | 0.11955 |
Point Group is C2h
Cartesians (Å)| Atom | x (Å) | y (Å) | z (Å) |
|---|---|---|---|
| C1 | 0.000 | 0.761 | 0.000 |
| C2 | 0.000 | -0.761 | 0.000 |
| O3 | 1.421 | -1.154 | 0.000 |
| O4 | -1.421 | 1.154 | 0.000 |
| H5 | 1.506 | -2.128 | 0.000 |
| H6 | -1.506 | 2.128 | 0.000 |
| H7 | -0.520 | -1.133 | 0.894 |
| H8 | -0.520 | -1.133 | -0.894 |
| H9 | 0.520 | 1.133 | 0.894 |
| H10 | 0.520 | 1.133 | -0.894 |
| C1 | C2 | O3 | O4 | H5 | H6 | H7 | H8 | H9 | H10 | |
|---|---|---|---|---|---|---|---|---|---|---|
| C1 | 1.5221 | 2.3842 | 1.4740 | 3.2581 | 2.0339 | 2.1581 | 2.1581 | 1.0992 | 1.0992 | C2 | 1.5221 | 1.4740 | 2.3842 | 2.0339 | 3.2581 | 1.0992 | 1.0992 | 2.1581 | 2.1581 | O3 | 2.3842 | 1.4740 | 3.6602 | 0.9783 | 4.3972 | 2.1370 | 2.1370 | 2.6151 | 2.6151 | O4 | 1.4740 | 2.3842 | 3.6602 | 4.3972 | 0.9783 | 2.6151 | 2.6151 | 2.1370 | 2.1370 | H5 | 3.2581 | 2.0339 | 0.9783 | 4.3972 | 5.2142 | 2.4279 | 2.4279 | 3.5223 | 3.5223 | H6 | 2.0339 | 3.2581 | 4.3972 | 0.9783 | 5.2142 | 3.5223 | 3.5223 | 2.4279 | 2.4279 | H7 | 2.1581 | 1.0992 | 2.1370 | 2.6151 | 2.4279 | 3.5223 | 1.7880 | 2.4934 | 3.0683 | H8 | 2.1581 | 1.0992 | 2.1370 | 2.6151 | 2.4279 | 3.5223 | 1.7880 | 3.0683 | 2.4934 | H9 | 1.0992 | 2.1581 | 2.6151 | 2.1370 | 3.5223 | 2.4279 | 2.4934 | 3.0683 | 1.7880 | H10 | 1.0992 | 2.1581 | 2.6151 | 2.1370 | 3.5223 | 2.4279 | 3.0683 | 2.4934 | 1.7880 |
| atom1 | atom2 | atom3 | angle | atom1 | atom2 | atom3 | angle | |
|---|---|---|---|---|---|---|---|---|
| C1 | C2 | O3 | 105.444 | C1 | C2 | H7 | 109.779 | |
| C1 | C2 | H8 | 109.779 | C1 | O4 | H6 | 110.437 | |
| C2 | C1 | O4 | 105.444 | C2 | C1 | H9 | 109.779 | |
| C2 | C1 | H10 | 109.779 | C2 | O3 | H5 | 110.437 | |
| O3 | C2 | H7 | 111.472 | O3 | C2 | H8 | 111.472 | |
| O4 | C1 | H9 | 111.472 | O4 | C1 | H10 | 111.472 | |
| H7 | C2 | H8 | 108.848 | H9 | C1 | H10 | 108.848 |
Electronic state