Issue 0, 1969

An investigation of the properties and thermochemistry of complexes of pyridine with triphenyl-boron, -aluminium, -gallium, and -indium, and diphenylgallium chloride

Abstract

Pyridine reacts with crystalline Ph3B, Ph3Al, Ph3Ga, Ph3ln, and Ph2GaCl to give white 1:1 complexes which are monomeric in benzene solution. The melting points and heats of formation of the solid adducts from liquid pyridine and crystalline acceptors are: Ph3B,py 240°, 17·9 kcal. mole–1; Ph3Al,py 168°, 22·3 kcal. mole–1; Ph3Ga,py 167°, 19·5 kcal. mole–1; Ph3ln,py 130°, 13·9 kcal. mole–1; Ph2GaCl,py 18·0 kcal. mole–1. The problems attending the estimation of gas-phase heats of formation and the calculation of reorganization energies are discussed and the results compared with those available on other Group III acceptors.

Article information

Article type
Paper

J. Chem. Soc. A, 1969, 249-253

An investigation of the properties and thermochemistry of complexes of pyridine with triphenyl-boron, -aluminium, -gallium, and -indium, and diphenylgallium chloride

N. N. Greenwood, P. G. Perkins and M. E. Twentyman, J. Chem. Soc. A, 1969, 249 DOI: 10.1039/J19690000249

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