New polymorphic and pseudosymmetrical cobalt selenite monohydrates, CoSe03 · H2O II and CoSeO3 · H2O III
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.
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Articles in the same Issue
- Peculiarities of crystal structures of rare-earth metal sulfides with the period 4 Å
- X-ray powder diffraction ab initio structure solution of materials from solid state synthesis: the copper oxide case
- New copper selenites. Part A: K2Cu2(SeO3)3 and K2Cu3(SeO3)4
- Ordering in DyFe6Sn6 studied by conventional X-ray single crystal diffraction
- New polymorphic and pseudosymmetrical cobalt selenite monohydrates, CoSe03 · H2O II and CoSeO3 · H2O III
- The crystal structures of NaMgPO4, Na2CaMg(PO4)2 and Na18Ca13Mg5(PO4)18: new examples for glaserite related structures
- Compression of cadmium orthosilicate, Cd2SiO4: a high-pressure single-crystal diffraction study
- Structure of 5-nitro-2-tosylaminobenzaldehyde di(morpholin-4-yl)aminal complex with carbon tetrachloride
- X-ray structure of and refinement strategy for disordered triphenyl(2-pyridinethiolato)tin(IV): [Ph3Sn(2-pyS)]
- Crystal and molecular structure of bis(5,7-dimethyl-[1,2,4]triazololium-N3-[1,5-a]pyrimidine) hexachlorostannate: [Hdmtp]2[SnCl6]
- The crystal and molecular structure of {8-[2-(6-methoxy-2-naphthyl)-1-ethynyl]-1-naphthyl}-trimethylstannane: [Me3Sn(C10H6C=CC10H6OMe)]
- An Introduction to X-Ray Crystallography
- Density-Functional Methods in Chemistry and Materials Science
- Devices based on Low-dimensional Semiconductor Structures
- Kristallographie. Eine Einführung für Naturwissenschaftler
- Books Received
