Heteronuclear magnetic triple resonance. Signs of the B—H and B—P spin-spin coupling constants

McFarlane, H.C.E., McFarlane, W. and Rycroft, D.S. (1972) Heteronuclear magnetic triple resonance. Signs of the B—H and B—P spin-spin coupling constants. Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics, 68, pp. 1300-1305. (doi:10.1039/F29726801300)

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Abstract

Heteronuclear triple resonance experiments are used to lift the degeneracy in the proton spectrum of trimethylphosphite borane arising from the effectively zero value of 4J(11B…H) and to show that 1J(11B—31P) is positive. Double resonance experiments are used to give the signs of 1J(11B—H) +ve, 2J(31P…H) –ve, and 2J(13C…31P) –ve. The electronic environments of boron and carbon in BH3 and CH3 groups appear to be very similar.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Rycroft, Dr David
Authors: McFarlane, H.C.E., McFarlane, W., and Rycroft, D.S.
Subjects:Q Science > QD Chemistry
College/School:College of Science and Engineering > School of Chemistry
Journal Name:Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics
Publisher:Royal Society of Chemistry
ISSN:0300-9238

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