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trans-Dichloridobis(propane-1,3-diamine-kappa N-2,N ')chromium(III) perchlorate

Lookup NU author(s): Emeritus Professor Bill Clegg

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Abstract

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.


Publication metadata

Author(s): Choi JH, Clegg W

Publication type: Article

Publication status: Published

Journal: Acta Crystallographica, Section E: Structure Reports Online

Year: 2011

Volume: 67

Issue: 3

Pages: M381-U935

Print publication date: 01/03/2011

ISSN (print):

ISSN (electronic): 1600-5368

Publisher: Wiley-Blackwell Publishing, Inc.

URL: http://dx.doi.org/10.1107/S1600536811006349

DOI: 10.1107/S1600536811006349


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