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Calculated Energies of Hydrogen Bonds

B3LYP/6-31G*

Dimer H Donor H Acceptor comment
H2OCH3OCH3 water dimethylether dimer H2O Water CH3OCH3 Dimethyl ether

Energy components

Dimer Donor Acceptor difference
Energy (hartrees) -231.445126 -76.408954 -155.025051 0.011121 29.2  kJ mol-1
Vibrational zero point energy (cm-1) 22098 4462 16928 -707 -8.5  kJ mol-1
Total         20.7  kJ mol-1