2-Aminopyridinium trans-diaquabis-(oxalato-kappa O-2,O)chromate(III)

被引：5

作者：

Nenwa, Justin ^{[1
]}

Bebga, Gouet ^{[2
]}

Martin, Signe ^{[1
]}

Belombe, Michel M. ^{[1
]}

Mbarki, Mohammed ^{[3
]}

Fokwa, Boniface P. T. ^{[3
]}

机构：

[1] Univ Yaounde, Dept Inorgan Chem, POB 812, Yaounde, Cameroon

[2] Higher Teacher Training Coll, Yaounde 1, Cameroon

[3] Rhein Westfal TH Aachen, Inst Anorgan Chem, D-52056 Aachen, Germany

来源：

ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS | 2012年 / 68卷

关键词：

data-toparameter ratio = 15.4; disorder in solvent or counterion; mean ̄(C-C) = 0.005 Å; R factor = 0.039; single-crystal X-ray study; T = 100 K; wR factor = 0.088;

D O I：

10.1107/S1600536812040950

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

In the title hybrid salt, (C5H7N2)[Cr(H2O)(2)(C2O4)(2)], the Cr III ion is coordinated in a slightly distorted octahedral environment by four O atoms from two oxalate ligands in the equatorial plane and by two water O atoms in the axial sites. The 2-aminopyridinium cation is disordered over two sets of sites in a 0.800 (7):0.200 (7) ratio. In the crystal, N-H center dot center dot center dot O and O-H center dot center dot center dot O hydrogen bonds connect the components into a three-dimensional network. The crystal studied was an inversion twin with components in a ratio 0.75 (2):0.25 (2).

引用

页码：M1325 / +

页数：8

共 11 条

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