Crystal chemistry of natural and synthetic lead oxyhalides. Part I. Crystal structure of Pb13O10Cl6

Siidra, O. I., Krivovichev, S. V. and Depmeier, W. (2007) Crystal chemistry of natural and synthetic lead oxyhalides. Part I. Crystal structure of Pb13O10Cl6 Geology of Ore Deposits, 49 (8). pp. 827-834. DOI 10.1134/s107570150708017x.

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Abstract

Crystals of lead oxychloride Pb13O10Cl6 have been synthesized on the basis of high-temperature solid-state reactions. The Pb13O10Cl6 structure was studied using X-ray single-crystal diffraction analysis. The compound is monoclinic, and the space group is C2/c; the unit-cell dimensions are a = 16.1699(14), b = 7.0086(6), c = 23.578(2) angstrom, beta = 97.75 degrees, and V = 2647.6(4) angstrom(3). The structure has been solved by direct methods and refined to R (1) = 0.0505 for 2671 observed unique reflections. The structure is a 3D framework consisting of OPb4 tetrahedrons. Chlorine atoms are located in the framework channels. The structure contains seven symmetrically independent Pb atoms, which are coordinated by 2 to 4 O2- and 2 to 4 Cl- anions. The synthesized compound is compared with other natural and synthetic lead oxyhalides.

Document Type: Article
Keywords: bond-valence parameters oxide chlorides pb3o2cl2 mendipite system
Research affiliation: Kiel University
DOI etc.: 10.1134/s107570150708017x
ISSN: 1075-7015
Date Deposited: 12 Jan 2012 06:09
Last Modified: 08 Oct 2012 10:21
URI: http://eprints.uni-kiel.de/id/eprint/15953

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