Diaquabis(nicotinamide-kappa N-1) bis(thiocyanato-kappa N) nickel(II)

被引：2
|
作者：
Pandey, Deepanjali [1 ]
Narvi, Shahid S. [1 ]
Mehrotra, Gopal K. [1 ]
Butcher, Raymond J. [2 ]
机构：
[1] Motilal Nehru Natl Inst Technol, Dept Chem, Allahabad 211004, Uttar Pradesh, India
[2] Howard Univ, Dept Chem, Washington, DC 20059 USA
来源：
ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS | 2014年 / 70卷
关键词：
data-to-parameter ratio = 36.0; mean σ(C-C) = 0.003 A°; R factor = 0.046; single-crystal X-ray study; T = 123 K; wR factor = 0.125;
D O I：
10.1107/S1600536814006771
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
In the title complex, [Ni(NCS)(2)(C6H6N2O)(2)(H2O)(2)], the Ni II ion is located on an inversion center and is coordinated in a distorted octahedral environment by two N atoms from two nicotinamide ligands and two water molecules in the equatorial plane, and two N atoms from two thiocyanate anions in the axial positions, all acting as monodentate ligands. In the crystal, weak N-H center dot center dot center dot S hydrogen bonds between the amino groups and the thiocyanate anions form an R-4(2) (8) motif. The complex molecules are linked by O-H center dot center dot center dot O, O-H center dot center dot center dot S, and N-H center dot center dot center dot S hydrogen bonds into a three-dimensional supramolecular structure. Weak pi-pi interactions between the pyridine rings is also found [centroid-centroid distance = 3.8578 (14) angstrom].
引用
收藏
页码：M183 / +
页数：6
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