Journal article

Publication year: 1993

Pages: 1214-1220

Journal: Journal of Inorganic and General Chemistry

Volume number: 619

Issue number: 7

ISSN: 0044-2313

DOI Link: https://doi.org/10.1002/zaac.19936190711

Publisher: Wiley

Abstract: 

After the preparation of SmTiO3Cl we made the attempt to prepare analogous compounds with the heavier rare earth elements.

We present 2 methods to prepare powders of LnTiO3Cl (Ln=Sm-Lu) together with a new method to prepare the rare earth oxychlorides LnOCl (Ln=Tm-Lu). There will be also presented 2 methods to get single crystals of these compounds via chemical vapour transport.

The new rare earth oxochlorotitanates LnTiO3Cl (Ln=Eu-Lu) are isotypic to SmTiO3Cl. They crystallize in the monoclinic space group: C2/m (No. 12). The lattice parameters (angstrom) are between a = 9.716(3), b3. 942(2), c = 10.100(4) (SmTiO3Cl) and a = 9.748(1), b = 3.8454(5), c = 9.625(2) (LuTiO3Cl), Z = 4. We observed a permanent decay of the cell volume with the decay of the radii of the cations.

The structure of EuTiO3Cl and DyTiO3Cl was refined to R = 3.4% and R = 5.8% respectively.

The crystal structure which has a certain similarity to brannerite can be described in a simplified way by saying that the rare earth and chlorine particles are located between walls of Ti-O-double-octahedra.

Harvard Citation style: HUBNER, N., FIEDLER, K., PREUSS, A. and GRUEHN, R. (1993) NEW RARE-EARTH OXOCHLOROTITANATES LNTIO3CL (LN = SM-LU) - PREPARATION, STRUCTURE AND ELECTRON-MICROSCOPIC INVESTIGATIONS, Zeitschrift für anorganische und allgemeine Chemie = Journal of Inorganic and General Chemistry, 619(7), pp. 1214-1220. https://doi.org/10.1002/zaac.19936190711

APA Citation style: HUBNER, N., FIEDLER, K., PREUSS, A., & GRUEHN, R. (1993). NEW RARE-EARTH OXOCHLOROTITANATES LNTIO3CL (LN = SM-LU) - PREPARATION, STRUCTURE AND ELECTRON-MICROSCOPIC INVESTIGATIONS. Zeitschrift für anorganische und allgemeine Chemie = Journal of Inorganic and General Chemistry. 619(7), 1214-1220. https://doi.org/10.1002/zaac.19936190711