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Long‐range nuclear spin–spin coupling between selenium‐77 and phosphorus‐31 in biphosphorus compounds
Author(s) -
Colquhoun Ian J.,
McFarlane H. Christina E.,
McFarlane William,
Nash John A.,
Keat Rodney,
Rycroft David S.,
Thompson David G.
Publication year - 1979
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.1270120807
Subject(s) - coupling constant , selenium , spin (aerodynamics) , chemistry , proton , coupling (piping) , range (aeronautics) , spectral line , phosphorus , resonance (particle physics) , nuclear magnetic resonance , atomic physics , materials science , physics , nuclear physics , organic chemistry , thermodynamics , metallurgy , composite material , particle physics , astronomy
The coupling constants n J ( 77 Se 31 P), n = 1–4, have been measured in the proton‐decoupled 31 P NMR spectra of a range of diphosphorus selenides and diselenides. 31 P–{ 1 H, 31 P} and 31 P–{ 1 H, 77 Se} triple resonance experiments have been used to establish the signs of the coupling constants, and it is found that both the magnitudes and signs depend upon the stereochemical relationship of the coupled nuclei.