UNSPECIFIED (2001) Adducts of indium(III) bromide: synthesis and structural characterisation of [InBr3(THF)(2)], [InBr3(DMF)(3)], [InBr3(Me-3[9]aneN(3))] and [InBr3({-N(Me)-CH2-}(3))]. POLYHEDRON, 20 (5). pp. 423-429. ISSN 0277-5387

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Abstract

Treatment of InBr3 with THF gives InBr3(THF)(2). A crystal structure determination (X-ray diffraction) reveals that the five co-ordinate metal centre adopts a trigonal bipyramidal geometry with the three halogen atoms in the equatorial plane and the two THF ligands in axial positions. Cremer-Pople ring puckering analysis reveals one THF ligand in a twist conformation and the other in an envelope arrangement in each molecule. The reaction of InBr3 with DMF in hexane gives InBr3(DMF)(3) identified (spectroscopic and X-ray diffraction) as the six co-ordinate fac-octahedral isomer. Treatment (1:1 in acetonitrile) of InBr3 with 1,4,7-trimethyl-1,4,7-triazacyclononane gives InBr3(Me-3[9]aneN(3)) in which the anticipated facial co-ordination of the terdentate ligand results in a distorted octahedral geometry at the metal centre as confirmed by X-ray diffraction. Similar treatment of InBr3 with 1,3,5-trimethyl-1,3,5-triazacyclohexane gives InBr3({-N(Me)-CH2-)(3)) as Verified by spectroscopic analyses and an X-ray diffraction study. (C) 2001 Elsevier Science B.V. All rights reserved.

Item Type:	Journal Article
Subjects:	Q Science > QD Chemistry
Journal or Publication Title:	POLYHEDRON
Publisher:	PERGAMON-ELSEVIER SCIENCE LTD
ISSN:	0277-5387
Date:	1 March 2001
Volume:	20
Number:	5
Number of Pages:	7
Page Range:	pp. 423-429
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/12330

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