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Calculated Energies of Hydrogen Bonds

B3LYP/6-31G(2df,p)

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

Energy components

Dimer Donor Acceptor difference
Energy (hartrees) -231.476681 -76.426078 -155.039903 0.010700 28.1  kJ mol-1
Vibrational zero point energy (cm-1) 22059 4528 16848 -683 -8.2  kJ mol-1
Total         19.9  kJ mol-1