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Calculated Energies of Hydrogen Bonds

B3LYPultrafine_cp/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) -231.440616 -76.408954 -155.025051 0.006611 17.4  kJ mol-1
Vibrational zero point energy (cm-1) 22049 4452 16888 -709 -8.5  kJ mol-1
Total         8.9  kJ mol-1