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

PBEPBE_cp_opt/3-21G

Dimer H Donor H Acceptor comment
NH3NH3 Ammonia Dimer NH3 Ammonia NH3 Ammonia

Energy components

Dimer Donor Acceptor difference
Energy (hartrees) -56.150852 -56.150852 -56.150852 -56.150853 -147424.0  kJ mol-1
Vibrational zero point energy (cm-1) 15224 7102 7102 -1019 -12.2  kJ mol-1
Total         -147436.2  kJ mol-1