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/6-31+G**

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) -266.217723 -76.434049 -189.767944 0.015731 41.3  kJ mol-1
Vibrational zero point energy (cm-1) 12201 4498 7060 -644 -7.7  kJ mol-1
Total         33.6  kJ mol-1