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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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| You are here: Calculated > Energy > Optimized > Hydrogen bonds | |
| Dimer | H Donor | H Acceptor | comment | |||
|---|---|---|---|---|---|---|
| H2OH2O | water dimer | H2O | Water | H2O | Water | |
Energy components
| Dimer | Donor | Acceptor | difference | ||
|---|---|---|---|---|---|
| Energy (hartrees) | -152.498545 | -76.243316 | -76.243316 | 0.011912 | 31.3 kJ mol-1 |
| Vibrational zero point energy (cm-1) | 9968 | 4567 | 4567 | -834 | -10.0 kJ mol-1 |
| Total | 21.3 kJ mol-1 | ||||