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Aromatic ring dynamics in crystalline molecular solids by one‐ and two‐dimensional exchange spectroscopy
Author(s) -
Twyman J. Mark,
Dobson Christopher M.
Publication year - 1990
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/mrc.1260280214
Subject(s) - chemistry , magic angle spinning , spectroscopy , nuclear magnetic resonance spectroscopy , magnetization transfer , magic angle , ring (chemistry) , molecular dynamics , analytical chemistry (journal) , chemical physics , crystallography , nuclear magnetic resonance , computational chemistry , stereochemistry , organic chemistry , medicine , physics , quantum mechanics , magnetic resonance imaging , radiology
Variable‐temperature phase‐sensitive cross‐polarization/magic angle spinning magnetization transfer experiments in one and two dimensions, in conjunction with chemical shift line‐shape analyses, have been used in the quantitative characterization of slow aromatic ring dynamics in crystalline 4‐nitro‐1‐methoxybenzene and in crystalline penicillin G phenyl ester. The results obtained indicate the value of such approaches for investigating specific motional events in molecular solids.