return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Calculated Energies of Hydrogen Bonds

HF_cp_opt/6-31+G**

Dimer H Donor H Acceptor comment
H2OH2CO water formaldehyde dimer H2O Water H2CO Formaldehyde

Energy components

Dimer Donor Acceptor difference
Energy (hartrees) -189.912686 -76.031231 -113.874558 0.006897 18.1  kJ mol-1
Vibrational zero point energy (cm-1) 0 4588 5745 10333 123.6  kJ mol-1
Total         141.7  kJ mol-1