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A systematic approach to the AA′BB′, AA′BB′MX and derived systems in nuclear magnetic resonance
Author(s) -
Batterham T. J.,
Bramley R.
Publication year - 1971
Publication title -
organic magnetic resonance
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0030-4921
DOI - 10.1002/mrc.1270030109
Subject(s) - nuclear magnetic resonance , spin (aerodynamics) , resonance (particle physics) , chemistry , physics , atomic physics , thermodynamics
The AA′BB′ and AA′BB′MX nuclear magnetic resonance spin systems for I = ½ nuclei have been analysed. Expressions for the transition frequencies and intensities have been obtained which have the maximum accuracy consistent with practicable use. The analyses have been applied respectively to a hypothetical AA′BB′ nuclear spin system and to the two molecules para ‐ fluoro‐phenyldichlorophosphine and tris ‐ para ‐fluorophenylphosphine. Inconsistencies in earlier treatments of the AA′BB′ system have been clarified.