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Synthesis and X-ray powder diffraction data for MNbF6 (M=Fe, Co) compounds

Published online by Cambridge University Press:  10 January 2013

Fabrice Goubard ,
Samuel Llorente ,
Valérie Delobbe ,
Daniel Bizot  and
Jean Chassaing
Fabrice Goubard
Affiliation:
Laboratoire de Cristallochimie du Solide, CNRS-URA 1388, Université P. et M. Curie, 4 place Jussieu, 75252 Paris Cedex 05, France
Samuel Llorente
Affiliation:
Laboratoire de Cristallochimie du Solide, CNRS-URA 1388, Université P. et M. Curie, 4 place Jussieu, 75252 Paris Cedex 05, France
Valérie Delobbe
Affiliation:
Laboratoire de Cristallochimie du Solide, CNRS-URA 1388, Université P. et M. Curie, 4 place Jussieu, 75252 Paris Cedex 05, France
Daniel Bizot
Affiliation:
Laboratoire de Cristallochimie du Solide, CNRS-URA 1388, Université P. et M. Curie, 4 place Jussieu, 75252 Paris Cedex 05, France
Jean Chassaing
Affiliation:
Laboratoire de Cristallochimie du Solide, CNRS-URA 1388, Université P. et M. Curie, 4 place Jussieu, 75252 Paris Cedex 05, France
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Abstract

X-ray diffraction experiments performed on the compounds FeIINbIVF6 and CoIINbIVF6 have shown that they crystallize in the rhombohedral system, space group R3¯ with a cationic ordering. Unit cell parameters were determined: a=5.4201(8) Å, c=14.072(2) Å, V=357.8(1) Å, Z=3 for FeNbF6, and a=5.351(2) Å, c=13.960(6) Å, V=346.2(2) Å, Z=3 for CoNbF6. Synthesis and powder diffraction data are reported.

Type
Research Article
Information
Powder Diffraction , Volume 13 , Issue 3 , September 1998 , pp. 134 - 135
Copyright
Copyright © Cambridge University Press 1998

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