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/LANL2DZ

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

Energy components

Dimer Donor Acceptor difference
Energy (hartrees) -112.591642 -56.292436 -56.292436 0.006769 17.8  kJ mol-1
Vibrational zero point energy (cm-1) 15252 7290 7290 -672 -8.0  kJ mol-1
Total         9.7  kJ mol-1