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

QCISD/cc-pVDZ

Dimer H Donor H Acceptor comment
H2ONH3 Water Ammonia Dimer H2O Water NH3 Ammonia

Energy components

Dimer Donor Acceptor difference
Energy (hartrees) -132.649212 -76.238351 -56.398982 0.011878 31.2  kJ mol-1
Vibrational zero point energy (cm-1) 12582 4551 7287 -743 -8.9  kJ mol-1
Total         22.3  kJ mol-1