New transition metal oxide fluorides with ReO3-type structure

Author:

Nakhal Suliman1,Lerch Martin1

Affiliation:

1. Institut für Chemie , Technische Universität Berlin , D-10623 Berlin, Germany

Abstract

Abstract The new niobium oxide fluorides MNbO2F4 [M = (Cr, Fe)], CrNb2O4F5, and Fe2Nb3O6F9 were prepared by treatment of chromium or iron nitrate with Nb-containing hydrofluoric acid solutions. Crystal structures were investigated by means of X-ray powder diffraction. All new compounds can be structurally refined in the cubic ReO3-type. The iron niobium oxide fluorides are reddish orange, and chromium containing phases exhibit a light green color. The niobium atoms are in the highest formal oxidation state.

Publisher

Walter de Gruyter GmbH

Subject

General Chemistry

Reference21 articles.

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3. D. Bable, in Structure and Bonding, Vol. 111, (Ed.: C. K. Jorgensen), Springer-Verlag, New York, NY, 1967, p. 37.

4. K. Vorres, J. Donohue, Acta Crystallogr.1955, 8, 25.

5. H. Schäfer, H. G. Schnering, K. J. Niehues, H. G. Nieder-Vaharenholz, J. Less-Common Met.1965, 9, 95.

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