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Calculated Energies of Hydrogen Bonds

MP2/6-31G*

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

Energy components

Dimer Donor Acceptor difference
Energy (hartrees) -230.712211 -76.196848 -154.503455 0.011908 31.3  kJ mol-1
Vibrational zero point energy (cm-1) 22128 4447 17014 -667 -8.0  kJ mol-1
Total         23.3  kJ mol-1