Acta Cryst. (2004). E60, m259-m261  [ doi:10.1107/S160053680400193X ]

Pentacyanoferrate(III)--cyano-[triaquatetrakis(dimethylformamide)gadolinium(III)] monohydrate

J.-R. Li, L.-Z. Cai, G.-C. Guo, X.-H. Bu and J.-S. Huang

Abstract: The crystal structure of the title complex, [Gd(C₃H₆NO)₄(H₂O)₃(-CN){Fe(CN)₅}]·H₂O, is built of neutral bimetallic Gd-Fe complexes and solvent water molecules. The Gd^III atom, with the coordination of a distorted square antiprism, and the octahedral six-coordinated Fe^III atom are bridged by an almost linear cyanide link [Fe-C = 1.934 (2) Å, C-N = 1.149 (2) Å, N-Gd = 2.449 (2) Å, Fe-C-N = 177.2 (2)°, C-N-Gd = 162.6 (1)° and FeGd = 5.457 (3) Å]. Intermolecular O-HO and O-HN hydrogen bonds link the molecules into a three-dimensional framework.

Online 7 February 2004

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