return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Calculated Energies of Hydrogen Bonds

MP2/cc-pVDZ

Dimer H Donor H Acceptor comment
H2OH2O water dimer H2O Water H2O Water

Energy components

Dimer Donor Acceptor difference
Energy (hartrees) -152.469233 -76.228667 -76.228667 0.011900 31.2  kJ mol-1
Vibrational zero point energy (cm-1) 9795 4525 4525 -745 -8.9  kJ mol-1
Total         22.3  kJ mol-1