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Crystal structure of Cr2[Ni(CN)4]3·10H2O

Published online by Cambridge University Press:  10 January 2013

A. Ratuszna ,
S. Juszczyk  and
G. Malłecki
A. Ratuszna
Affiliation:
Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland
S. Juszczyk
Affiliation:
Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland
G. Malłecki
Affiliation:
Institute of Chemistry, University of Silesia, Szkolna 9, 40-006 Katowice, Poland
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Abstract

The crystal structure of Cr2[Ni(CN)4]3·10H2O has been determined on X-ray diffraction powder data by means of the Rietveld method. The starting model was based on the isomorphic, disordered structure of Mn3[Co(CN)6]2·12H2O. At room temperature the crystal is cubic, F4¯3m, a=10.097(6) Å, V=1029.4(5) Å3. The structure is disordered and contains 1.33 formula weights per unit cell. The Ni and Cr ions are coordinated by N and C atoms, respectively, forming octahedra linked by CN groups. The water molecules replace partly the chromium, carbon, and nitrogen positions in the crystal. The final R values are: Rwp=0.032 (Rexp=0.023), RB=0.088, and DW-Stat.=1.31 (DWexp=1.8).

Type
Research Article
Information
Powder Diffraction , Volume 11 , Issue 4 , December 1996 , pp. 318 - 320
Copyright
Copyright © Cambridge University Press 1996

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