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Calculated Energies of Hydrogen Bonds

B3LYPultrafine/3-21G

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

Energy components

Dimer Donor Acceptor difference
Energy (hartrees) -230.172252 -75.973965 -154.175098 0.023190 60.9  kJ mol-1
Vibrational zero point energy (cm-1) 22178 4182 16949 -1048 -12.5  kJ mol-1
Total         48.3  kJ mol-1