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Poly­[tri­aqua(μ-hydrogen tartrato)(μ-tartrato)­samarium(III)]

✍ Scribed by Wu, Chuan-De ;Zhan, Xiao-Ping ;Lu, Can-Zhong ;Zhuang, Hong-Hui ;Huang, Jin-Shun

Publisher
International Union of Crystallography
Year
2002
Tongue
English
Weight
492 KB
Volume
58
Category
Article
ISSN
1600-5368

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Single-crystal X-ray study T = 295 K Mean '(C±C) = 0.003 A Ê R factor = 0.030 wR factor = 0.074 Data-to-parameter ratio = 15.3 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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The title La^III^ complex, [La~2~(C~7~H~3~NO~4~)~3~(H~2~O)~5~]·H~2~O, forms a layer-type polymeric structure with La^III^ ions bridged by pyridine-3,4-dicarboxylate ligands. The asymmetric unit contains two La^III^ ions, the first exhibiting a distorted tricapped trigonal prismatic geometry (nine-co