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4-Amino-pyridinium trans-diaqua-dioxalatochromate(III) monohydrate.

ABSTRACT: In the non-centrosymmetric structure of the title compound, (C(5)H(7)N(2))[Cr(C(2)O(4))(2)(H(2)O)(2)]·H(2)O, the Cr(III) ion has a slightly distorted octa-hedral coordination environment defined by two chelating oxalato ligands in equatorial positions and two water mol-ecules in axial positions. An extensive three-dimensional network of hydrogen bonds involving all the water mol-ecules, the 4-amino-pyridinium cation and some of the oxalate O atoms contributes to the stabilization of the structure. ?-? inter-actions between adjacent pyridine rings provide additional stability of the crystal packing, with a closest distance between pyridine mean planes of 3.613?(1)?Å.

SUBMITTER: Cherif I

PROVIDER: S-EPMC3238586 | biostudies-literature | 2011 Dec

REPOSITORIES: biostudies-literature

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4-Amino-pyridinium trans-diaqua-dioxalatochromate(III) monohydrate.

Chérif Ichraf I Abdelhak Jawher J Zid Mohamed Faouzi MF Driss Ahmed A

Acta crystallographica. Section E, Structure reports online 20111102 Pt 12

In the non-centrosymmetric structure of the title compound, (C(5)H(7)N(2))[Cr(C(2)O(4))(2)(H(2)O)(2)]·H(2)O, the Cr(III) ion has a slightly distorted octa-hedral coordination environment defined by two chelating oxalato ligands in equatorial positions and two water mol-ecules in axial positions. An extensive three-dimensional network of hydrogen bonds involving all the water mol-ecules, the 4-amino-pyridinium cation and some of the oxalate O atoms contributes to the stabilization of the structur ...[more]

PMID: 22199477

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