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

B3LYPultrafine_cp/6-31G*

Dimer H Donor H Acceptor comment
H2OHCOOH Water formic acid dimer 2 H2O Water HCOOH Formic acid to O=C

Energy components

Dimer Donor Acceptor difference
Energy (hartrees) -266.170735 -76.408954 -189.747171 0.014610 38.4  kJ mol-1
Vibrational zero point energy (cm-1) 12307 4452 7051 -805 -9.6  kJ mol-1
Total         28.7  kJ mol-1