The unpaired @[email protected] at a position of interest, usually at carbon, in a @[email protected] It is often measured experimentally by electron @[email protected] @[email protected] [EPR, ESR (electron spin @[email protected])] @[email protected] through @[email protected] constants of the atom or an attached hydrogen.
See also:
radical centre
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1166 [Terms] [Paper]