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Calculated Energies of Hydrogen Bonds

MP2_cp/6-31+G**

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

Energy components

Dimer Donor Acceptor difference
Energy (hartrees) -230.802974 -76.233108 -154.562213 0.007653 20.1  kJ mol-1
Vibrational zero point energy (cm-1) 0 4469 16934 21403 256.0  kJ mol-1
Total         276.1  kJ mol-1