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

PBEPBE/6-31G*

Dimer H Donor H Acceptor comment
H2OHCOOH Water formic acid dimer 1 H2O Water HCOOH Formic acid to O-C

Energy components

Dimer Donor Acceptor difference
Energy (hartrees) -265.885652 -76.322481 -189.546579 0.016592 43.6  kJ mol-1
Vibrational zero point energy (cm-1) 12139 4465 7025 -649 -7.8  kJ mol-1
Total         35.8  kJ mol-1