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

MP2_cp_opt/3-21G

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

Energy components

Dimer Donor Acceptor difference
Energy (hartrees) -190.327134 -114.609278 -75.707801 0.010055 26.4  kJ mol-1
Vibrational zero point energy (cm-1) 15918 10831 4243 -844 -10.1  kJ mol-1
Total         16.3  kJ mol-1