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

B3LYP/6-31+G**

Dimer H Donor H Acceptor comment
H2OCH3OH water methanol dimer H2O Water CH3OH Methyl alcohol

Energy components

Dimer Donor Acceptor difference
Energy (hartrees) -192.178895 -76.434049 -115.734872 0.009974 26.2  kJ mol-1
Vibrational zero point energy (cm-1) 16049 4505 10842 -703 -8.4  kJ mol-1
Total         17.8  kJ mol-1