Redetermination of [Pr(NO3)(3)(H2O)(4)]center dot 2H(2)O

被引：4
|
作者：
Decadt, Roel [1 ]
Van Der Voort, Pascal [1 ]
Van Driessche, Isabel [1 ]
Van Deun, Rik [1 ]
Van Hecke, Kristof [1 ]
机构：
[1] Univ Ghent, Dept Inorgan & Phys Chem, Krijgslaan 281-S3, B-9000 Ghent, Belgium
来源：
ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS | 2012年 / 68卷
关键词：
single-crystal X-ray study; T = 100 K; mean sigma(O-N) = 0.003(A)over-circle; R factor = 0.017; wR factor = 0.037; data-to-parameter ratio = 13.2;
D O I：
10.1107/S1600536812028024
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The structure of the title compound, tetraaquatris(nitrato-(KO)-O-2, O0) praseodymium(III) dihydrate, was redetermined. The structure models derived from the previous determinations [ Rumanova et al. (1964). Kristallografiya, 9, 642-654; Fuller & Jacobson (1976). Cryst. Struct. Commun. 5, 349-352] were confirmed, but now with all H atoms unambiguously located, revealing a complex O-H center dot center dot center dot O hydrogen-bonding network, extending throughout the whole structure. In the title compound, the coordination environment of the Pr-III atom can best be described as a distorted bicapped square antiprism defined by three bidentate nitrate anions and four water molecules. Additionally, two lattice water molecules are observed in the crystal packing. The title compound is isotypic with several other lanthanide-containing nitrate analogues.
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收藏
页码：I59 / +
页数：9
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