return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Hydrogen bonds

Calculated Energies of Hydrogen Bonds

QCISD/cc-pVDZ

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

Energy components

Dimer Donor Acceptor difference
Energy (hartrees) -152.487773 -76.238351 -76.238351 0.011072 29.1  kJ mol-1
Vibrational zero point energy (cm-1) 9859 4551 4551 -757 -9.1  kJ mol-1
Total         20.0  kJ mol-1