An electron-donor–electron-acceptor complex, characterized by electronic transition(s) to an @E02257@ in which there is a partial transfer of electronic charge from the donor to the acceptor @M03968@.
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1094 [Terms] [Paper]
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1328 [Terms] [Paper]