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Calculated Energies of Hydrogen Bonds

PBEPBE_cp_opt/6-31+G**

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

Energy components

Dimer Donor Acceptor difference
Energy (hartrees) -191.948293 -76.348614 -115.590034 0.009645 25.3  kJ mol-1
Vibrational zero point energy (cm-1) 16059 4509 10822 -728 -8.7  kJ mol-1
Total         16.6  kJ mol-1