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

PBEPBEultrafine_cp/3-21G

Dimer H Donor H Acceptor comment
H2OCH3OH water methanol dimer H2O Water CH3OH Methyl alcohol

Energy components

Dimer Donor Acceptor difference
Energy (hartrees) -190.819962 -75.886477 -114.928818 0.004667 12.3  kJ mol-1
Vibrational zero point energy (cm-1) 16014 4169 10734 -1111 -13.3  kJ mol-1
Total         -1.0  kJ mol-1