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Di-μ-fluoro-bis[aqua-(dimethyl sulfoxide)-trifluorozirconium(IV)]

Published online by Cambridge University Press:  29 February 2012

Y. Gao and
A. Le Bail
Y. Gao
Affiliation:
Laboratoire des Oxydes et Fluorures, Université du Maine, CNRS UMR 6010, Avenue O. Messiaen, 72085 Le Mans, France
A. Le Bail*
Affiliation:
Laboratoire des Oxydes et Fluorures, Université du Maine, CNRS UMR 6010, Avenue O. Messiaen, 72085 Le Mans, France
*
a)Author to whom correspondence should be addressed. Electronic mail: armel.le_bail@univ-lemans.fr
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Abstract

[Zr2F8(dmso)2(H2O)2], a dehydration product of [ZrF4(dmso)(H2O)2]⋅2H2O, crystallizes in the orthorhombic symmetry [space group Cmca, a=7.8266(3) Å, b=13.5847(5) Å, c=15.6119(6) Å, and Z=4]. The structure, solved ab initio in direct space from X-ray powder diffraction data, is built up from [Zr2F8O4] bipolyhedra formed by edge sharing of [ZrF5O2] pentagonal bipyramids (condensed from isolated [ZrF4O3] pentagonal bipyramids in the precursor). Difficulties associated with a fortuitous hexagonal pseudosymmetry were surmounted. The dmso departure at 220 °C leads to an amorphous phase.

Keywords

hybrid zirconium fluoridedmsopowder diffractioncrystal structure determinationab initio

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Type
Technical Articles
Information
Powder Diffraction , Volume 25 , Issue 4 , December 2010, pp. 329 - 335
Copyright
Copyright © Cambridge University Press 2010

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