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
H2OH2CO water formaldehyde dimer H2O Water H2CO Formaldehyde

Energy components

Dimer Donor Acceptor difference
Energy (hartrees) -190.459374 -76.238351 -114.210305 0.010718 28.1  kJ mol-1
Vibrational zero point energy (cm-1) 11001 4551 5649 -801 -9.6  kJ mol-1
Total         18.6  kJ mol-1