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_cp/6-31G*

Dimer H Donor H Acceptor comment
CH3OHH2O methanol water dimer CH3OH Methyl alcohol H2O Water

Energy components

Dimer Donor Acceptor difference
Energy (hartrees) -192.132206 -115.714407 -76.408954 0.008846 23.2  kJ mol-1
Vibrational zero point energy (cm-1) 15909 10849 4462 -598 -7.2  kJ mol-1
Total         16.1  kJ mol-1