Lewis basicity

https://doi.org/10.1351/goldbook.L03512
The thermodynamic tendency of a substance to act as a
Lewis base
. Comparative measures of this property are provided by the equilibrium constants for
Lewis adduct
formation for a series of Lewis bases with a common reference
Lewis acid
.
See also:
donor number (DN)
,
nucleophilicity
Source:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1135 [Terms] [Paper]