The
molecular orbital whose occupation by electrons increases the total bonding (usually, lowers the total
energy) of a molecule. Generally, the energy level of a bonding
MO lies lower than the average of the
valence orbitals of the atoms constituting the molecule.
Source:
Cite as:
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by
A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997).
XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic,
J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8.
https://doi.org/10.1351/goldbook.