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2-Amino-5-chloro-pyridinium cis-diaqua-dioxalatochromate(III) sesquihydrate.

Chérif I, Abdelhak J, Zid MF, Driss A - Acta Crystallogr Sect E Struct Rep Online (2012)

Bottom Line: In the crystal structure of the title compound, (C(5)H(6)ClN(2))[Cr(C(2)O(4))(2)(H(2)O)(2)]·1.5H(2)O, the Cr(III) atom adopts a distorted octa-hedral geometry being coordinated by two O atoms of two cis water mol-ecules and four O atoms from two chelating oxalate dianions.The cis-diaqua-dioxalatochromate(III) anions, 2-amino-5-chloro-pyridinium cations and uncoordinated water mol-ecules are linked into a three-dimensional supra-molecular array by O-H⋯O and N-H⋯O hydrogen-bonding inter-actions.One of the two independent lattice water molecules is situated on a twofold rotation axis.

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

ABSTRACT
In the crystal structure of the title compound, (C(5)H(6)ClN(2))[Cr(C(2)O(4))(2)(H(2)O)(2)]·1.5H(2)O, the Cr(III) atom adopts a distorted octa-hedral geometry being coordinated by two O atoms of two cis water mol-ecules and four O atoms from two chelating oxalate dianions. The cis-diaqua-dioxalatochromate(III) anions, 2-amino-5-chloro-pyridinium cations and uncoordinated water mol-ecules are linked into a three-dimensional supra-molecular array by O-H⋯O and N-H⋯O hydrogen-bonding inter-actions. One of the two independent lattice water molecules is situated on a twofold rotation axis.

No MeSH data available.


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N—H···O hydrogen bonds (dashed lines) in (C5H6ClN2)[Cr(C2O4)2(H2O)2].1.5H2O showing the connection between positive and negative layers.
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Fap3: N—H···O hydrogen bonds (dashed lines) in (C5H6ClN2)[Cr(C2O4)2(H2O)2].1.5H2O showing the connection between positive and negative layers.


2-Amino-5-chloro-pyridinium cis-diaqua-dioxalatochromate(III) sesquihydrate.

Chérif I, Abdelhak J, Zid MF, Driss A - Acta Crystallogr Sect E Struct Rep Online (2012)

N—H···O hydrogen bonds (dashed lines) in (C5H6ClN2)[Cr(C2O4)2(H2O)2].1.5H2O showing the connection between positive and negative layers.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC3379145&req=5

Fap3: N—H···O hydrogen bonds (dashed lines) in (C5H6ClN2)[Cr(C2O4)2(H2O)2].1.5H2O showing the connection between positive and negative layers.
Bottom Line: In the crystal structure of the title compound, (C(5)H(6)ClN(2))[Cr(C(2)O(4))(2)(H(2)O)(2)]·1.5H(2)O, the Cr(III) atom adopts a distorted octa-hedral geometry being coordinated by two O atoms of two cis water mol-ecules and four O atoms from two chelating oxalate dianions.The cis-diaqua-dioxalatochromate(III) anions, 2-amino-5-chloro-pyridinium cations and uncoordinated water mol-ecules are linked into a three-dimensional supra-molecular array by O-H⋯O and N-H⋯O hydrogen-bonding inter-actions.One of the two independent lattice water molecules is situated on a twofold rotation axis.

View Article: PubMed Central - HTML - PubMed

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

ABSTRACT
In the crystal structure of the title compound, (C(5)H(6)ClN(2))[Cr(C(2)O(4))(2)(H(2)O)(2)]·1.5H(2)O, the Cr(III) atom adopts a distorted octa-hedral geometry being coordinated by two O atoms of two cis water mol-ecules and four O atoms from two chelating oxalate dianions. The cis-diaqua-dioxalatochromate(III) anions, 2-amino-5-chloro-pyridinium cations and uncoordinated water mol-ecules are linked into a three-dimensional supra-molecular array by O-H⋯O and N-H⋯O hydrogen-bonding inter-actions. One of the two independent lattice water molecules is situated on a twofold rotation axis.

No MeSH data available.


Related in: MedlinePlus