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Crystal structure and powder diffraction pattern of high-temperature modification of Pd73Sn14Te13

Published online by Cambridge University Press:  01 March 2012

F. Laufek,
A. Vymazalová and
J. Plášil
F. Laufek
Affiliation:
Czech Geological Survey, Geologická 6, 152 00 Praha 5, Czech Republic
A. Vymazalová
Affiliation:
Czech Geological Survey, Geologická 6, 152 00 Praha 5, Czech Republic
J. Plášil
Affiliation:
Faculty of Science, Charles University, Albertov 6, 128 43 Praha 2, Czech Republic
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Abstract

Crystal structure of high-temperature modification of Pd73Sn14Te13 has been refined by the Rietveld method from laboratory X-ray powder diffraction data. Refined crystallographic data of Pd73Sn14Te13 are a=7.6456(3) Å, c=13.9575(9) Å, V=706.75(6) Å3, space group P63cm (No. 185), Z=6, and Dx=10.71 g/cm3. The title compound is isostructural with Pd5Sb2 and Ni5As2; it can be considered as a stacking and filling variant of the Ni2In structure. An important structural feature in the high-temperature modification of Pd73Sn14Te13 is the presence of various Pd-Pd bonds.

Keywords

Pd73Sn14Te13powder diffraction dataRietveld refinementPd-Sn-Te system

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Type
Technical Articles
Information
Powder Diffraction , Volume 22 , Issue 4 , December 2007, pp. 334 - 339
Copyright
Copyright © Cambridge University Press 2007

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