Issue 2, 1981

Phosphorus-31, selenium-77, and mercury-199 nuclear magnetic resonance studies of bis(tributylphosphine selenide)mercury(II) complexes

Abstract

Fourier-transform 31P, 77Se, and 199Hg n.m.r. spectra and heteronuclear multiple-resonance experiments involving these nuclei have been used to determine the signs and magnitudes of 1J(199Hg–77Se), 1J(77Se–31P), and 2J(199Hg–31P) in HgX2(PBu3Se)2(X = Cl, Br, I, or SCN) at –100 °C. The first coupling constant is negative and relatively small (–751 Hz for X = Cl), and the trends in it and the other coupling constants are interpreted in terms of changes in the hybridisation of the mercury atom and the electronegativity of the HgX2 fragment.

Article information

Article type
Paper

J. Chem. Soc., Dalton Trans., 1981, 658-660

Phosphorus-31, selenium-77, and mercury-199 nuclear magnetic resonance studies of bis(tributylphosphine selenide)mercury(II) complexes

I. J. Colquhoun and W. McFarlane, J. Chem. Soc., Dalton Trans., 1981, 658 DOI: 10.1039/DT9810000658

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