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Synthesis, Thermal and X-Ray Investigations of the High-Temperature Phase of Copper(I) Cyanide

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Synthesis, Thermal and X-Ray Investigations of the High-Temperature Phase of Copper(I) Cyanide

Olaf Reckewega, Cora Linda, Arndt Simonb, and Francis J. DiSalvoa

aBaker Laboratory, Department of Chemistry and Chemical Biology Cornell University, Ithaca, NY 14853-1301, USA

bMax-Planck-Institut f¨ur Festk¨orperforschung, D-70569 Stuttgart Reprint requests to Dr. O. Reckeweg. E-mail: olaf.reykjavik@gmx.de Z. Naturforsch. 58b, 155 – 158 (2003); received October 15, 2002

CuCN was investigated by chemical analysis, IR spectroscopy and powder X-ray diffraction. A high-temperature phase of CuCN was identified and structurally characterized by Rietveld refine- ment. HT-CuCN is isotypic to AgCN (R¯3m (No. 166), Z=3, a=597.109(8), c=484.33(5)pm, Cu (3a), C/N (6c), z=0.3915(10)at 77 K) with head-tail disorder of the cyanide anions.

Key words: Copper, Cyanide, Structure Elucidation, Thermal Properties, Optical Spectroscopy

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