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International Union of Crystallography, Acta Crystallographica Section E: Structure Reports Online, 3(68), p. m233-m234, 2012

DOI: 10.1107/s1600536812003224

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Tris(2,2′-bipyridine-κ2N,N′)cobalt(III) tris(oxalato-κ2O1,O2)ferrate(III) monohydrate

Journal article published in 2012 by Eduard N. Chygorin, Svitlana R. Petrusenko, Volodymyr N. Kokozay ORCID, Irina V. Omelchenko ORCID, Oleg V. Shishkin
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The title compound, [Co(C(10)H(8)N(2))(3)][Fe(C(2)O(4))(3)]·H(2)O, con-sists of two discrete tris-(chelate) metal ions (Co(III)N(6) and Fe(III)O(6) chromophores) and a water mol-ecule. The structure is highly symmetrical; the Co(III) and Fe(III) ions occupy positions with site symmetry 3.2. The coordination polyhedra of the metal atoms have a nearly octa-hedral geometry with noticeable trigonal distortions. The Co-N and Fe-O bond lengths are equal by symmetry, viz. 1.981 (2) and 1.998 (4) Å, respectively. The cations and anions are arranged alternately along their threefold rotation axes parallel to [001], forming chains that are packed in a hexa-gonal manner. The water mol-ecules occupy voids between the chains. The crystal under investigation was an inversion twin.