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Lookup NU author(s): Emeritus Professor Bill Clegg
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In the title compound, [CrCl2(C3H10N2)(2)]ClO4, the Cr-III atom is coordinated equatorially by four N atoms of two propane-1,3- diamine (tn) ligands and axially by two mutually trans Cl atoms, thus displaying a slightly distorted octahedral geometry with no crystallographically imposed symmetry. The two six-membered chair chelate rings in the complex cation are in an anti conformation with respect to each other. The Cr-N bond lengths range from 2.0831 (18) to 2.0917 (19) angstrom, and the Cr-Cl bond lengths are 2.3148 (6) and 2.3135 (6) angstrom. The perchlorate anions have slightly distorted tetrahedral geometries. Weak intermolecular hydrogen bonds involving the tn ligand NH groups as donors, and chloride ligands and anion O atoms as acceptors are observed.
Author(s): Choi JH, Clegg W
Publication type: Article
Publication status: Published
Journal: Acta Crystallographica, Section E: Structure Reports Online
Print publication date: 01/03/2011
ISSN (electronic): 1600-5368
Publisher: Wiley-Blackwell Publishing, Inc.
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