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Poly[tetraaqua-di-mu(4)-malonato-barium(II)cadmium(II)]
Journal article   Open access

Poly[tetraaqua-di-mu(4)-malonato-barium(II)cadmium(II)]

Ming-Lin Guo, Wen-Jun Gao, Cong-Cong Luo and Long Liu
Acta crystallographica. Section E, Structure reports online, v 67, pp M23-U362
01 Jan 2011
PMID: 21522548
url
http://journals.iucr.org/e/issues/2011/01/00/sj5064/sj5064.pdfView
Published, Version of Record (VoR) Open
url
https://doi.org/10.1107/S1600536810049780View
Published, Version of Record (VoR) Open

Abstract

Crystallography Physical Sciences Science & Technology
In the title complex, [BaCd(C3H2O4)2(H2O)4](n), the Ba-II atoms, located on crystallographic twofold axes, adopt slightly distorted square-antiprismatic coordination geometries, while the Cd-II atoms, which lie on crystallographic centres of symmetry, have a distorted octahedral coordination. Each malonate dianion binds two different Cd-II atoms and two different Ba-II atoms. This connectivity generates alternating layers along [100] in the structure, with one type containing Cd-II cations and malonate dianions, while the other is primarily composed of Ba-II ions and coordinated water molecules. The water molecules also participate in extensive O-H center dot center dot center dot O hydrogen bonding.

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Crystallography
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