Crystal structure of potassium dysprosium octacyanotungstate(IV) heptahydrate

被引：0
作者：
O. A. Sereda
G. Stökli-Evans
I. V. Typilo
D. I. Semenyshyn
R. E. Gladyshevskii
机构：
[1] National University “Lviv Polytechnics,Institute of Microtechnology
[2] ”,undefined
[3] University of Neuchatel,undefined
[4] Ivan Franko National University,undefined
来源：
Russian Journal of Coordination Chemistry | 2009年 / 35卷
关键词：
Coordination Polymer; Coordination Polyhedron; Dysprosium; Cyano Group; Trigonal Prism;
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摘要：
The crystal structure of KDyW(CN)8 · 7H2O was determined by X-ray diffraction. The crystals are triclinic, space group PI, a = 7.6284(7) Å, b = 9.2435(9) Å, c = 14.4778(14) Å, α = 80.673(11)°, β = 87.561(11)°, γ = 77.603(11)°, V = 983.86(16) Å3, Z = 2, ρcalcd = 2.429 g/cm3, R = 0.0249, wR= 0.0502 for 3601 independent reflections. The coordination polyhedron of tungsten is a highly deformed tetragonal antiprism [W(CN)8], that of dysprosium is a tetragonal antiprism [DyN4(H2O)4]. Some cyano groups are bridging being coordinated to tungsten and dysprosium by C and N atoms, respectively, and form a 3D structure via potassium atoms. The coordination polymer can be described as {[K(H2O)][Dy(H2O)4][W(CN)8]}n· 2nH2O.
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页码：15 / 18
页数：3
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