Distonic ion

IUPAC RECOMMENDATIONS 2013
Distonic ion
Radical ion whose charge and radical sites are neither at the same atom nor in conjugation with each other. Note 1: For example, •CH2-OH2+ is a distonic ion, whereas the molecular ion of methanol, CH3OH+• is a conventional radical cation. Note 2: In a valence bond description, α-distonic ions have the charge and radical sites on adjacent atoms, β-distonic ions are separated by one atom, γ-distonic ions by two atoms, and so forth.
Related Term(s):
Reference(s): T. M. Sack, R. L. Cerny, M. L. Gross. J. Am. Chem. Soc. 107, 4562 (1985). (http://dx.doi.org/10.1021/ja00301a041 ) S. Hammerum. Mass Spectrom. Rev. 7, 123 (1988). (http://dx.doi.org/10.1002/mas.1280070202 )
From Definitions of Terms Relating to Mass Spectrometry (IUPAC Recommendations 2013); DOI: 10.1351/PAC-REC-06-04-06 © IUPAC 2013.
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