https://doi.org/10.1351/goldbook.L03511
A @[email protected] (and the corresponding @[email protected]) able to provide a pair of electrons and thus capable of @[email protected] to a @[email protected], thereby producing a @[email protected]
Source:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1135 [Terms] [Paper]