3-Amino-pyridinium trans-diaqua-dioxalato-chromate(III).

Acta Crystallogr Sect E Struct Rep Online

Laboratoire de Matériaux et Cristallochimie, Faculté des Sciences de Tunis, Université de Tunis El Manar, 2092 Manar II Tunis, Tunisia.

Published: July 2012

In the structure of the title compound, (C₅H₇N₂)[Cr(C₂O₄)₂(H₂O)₂], two crystallographically independent formula units are present. Both chromium atoms are six-coordinated in a distorted octa-hedral geometry by two chelating equatorial oxalato ligands and two axial water mol-ecules. The [Cr(C₂O₄)₂(H₂O)₂]⁻ anions and C₅H₇N₂ ⁺ cations are linked through a complex three-dimensional hydrogen-bonding network consisting of N-H⋯O and O-H⋯O inter-actions.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3393173PMC
http://dx.doi.org/10.1107/S1600536812025020DOI Listing

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