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Zeitschrift für Kristallographie - Crystalline Materials

Editor-in-Chief: Pöttgen, Rainer

Ed. by Antipov, Evgeny / Boldyreva, Elena V. / Friese, Karen / Huppertz, Hubert / Jahn, Sandro / Tiekink, E. R. T.

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Volume 213, Issue 5

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New polymorphic and pseudosymmetrical cobalt selenite monohydrates, CoSe03 · H2O II and CoSeO3 · H2O III

B. Engelen / H. Müller
Published Online: 2010-07-28 | DOI: https://doi.org/10.1524/zkri.1998.213.5.275

Abstract

The crystal structures of two polymorphic, hydrothermally synthesized cobalt selenite monohydrates, CoSeO3 · H2O II (a = 568.1(1) pm, b = 476.7(1) pm, c = 1348.0(2) pm, μ = 101.37(1)°) and CoSeO3 · H2O III (a = 477.2(1) pm, b = 1320.9(3) pm, c = 568.6(1) pm, β = 90.54(1)°), both mP32, P21/n, Z = 4, have been determined by single crystal X-ray diffraction. Both structures are built up from buckled trans layers 2[CoSeO3 · H2O] consisting of strongly distorted CoO5(H2O) octahedra and trigonal pyramidal SeO32− ions. The structures differ with respect to the stacking of the layers, which originates in their pseudosymmetry and in the stereochemical requirements of the selenite lone electron pair. Only intra-layer H bond schemes are built, i.e., the layers are held together by van der Waals interactions.

About the article

Published Online: 2010-07-28

Published in Print: 1998-05-01


Citation Information: Zeitschrift für Kristallographie - Crystalline Materials, Volume 213, Issue 5, Pages 275–281, ISSN (Online) 2196-7105, ISSN (Print) 2194-4946, DOI: https://doi.org/10.1524/zkri.1998.213.5.275.

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[1]
Bojan Šoptrajanov, Viktor Stefov, Igor Kuzmanovski, Gligor Jovanovski, H.Dieter Lutz, and Bernward Engelen
Journal of Molecular Structure, 2002, Volume 613, Number 1-3, Page 7

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