Azamacrocyclic stabilization of SbCl2: synthesis and crystal structure of [SbCl2(Me3[9]aneN3)][SbCl6] showing explicit Sb lone-pair stereochemical activity. Me3[9]aneN3 = 1,4,7-trimethyl-1,4,7-triazacyclononane期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Azamacrocyclic stabilization of SbCl₂: synthesis and crystal structure of [SbCl₂(Me₃[9]aneN₃)][SbCl₆] showing explicit Sb lone-pair stereochemical activity. Me₃[9]aneN₃ = 1,4,7-trimethyl-1,4,7-triazacyclononane

Authors:	Gerald R. Willey Marcus P. Spry Michael G.B. Drew

Affiliation:	Department of Chemistry, University of Warwick, Coventry CV4 7AL, U.K. Department of Chemistry, University of Reading, Whiteknights, Reading RG6 2AD, U.K.

Abstract:	The reaction of antimony(III)chloride and antimony(V)chloride in acetonitrile in the presence of the azamacrocyclic ligand Me₃[9]aneN₃ provides the golden-yellow ionic compound [SbCl₂(Me₃[9]aneN₃][SbCl₆]. X-ray structural characterization reveals the cation as five-coordinate with Ψ-octahedral metal geometry featuring a cis-SbCl₂⁺ unit coordinated to the three donor nitrogen atoms of the ligand (fac) and a stereochemically active lone pair occupying the sixth site in a trans-position to a ring nitrogen atom.

Keywords:	X-ray structure Sb^III cation lone pair N₃ azamacrocycle
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