ON A BARIUM-OXONIOBATE-TELLURATE - BA2NB2 TEO10

Authors
WEDEL B MULLERBUSCHBAUM H
Citation
B. Wedel et H. Mullerbuschbaum, ON A BARIUM-OXONIOBATE-TELLURATE - BA2NB2 TEO10, Zeitschrift fur Naturforschung. B, A journal of chemical sciences, 51(10), 1996, pp. 1407-1410
Citations number
15
Categorie Soggetti
Chemistry Inorganic & Nuclear","Chemistry Inorganic & Nuclear
Journal title
Zeitschrift fur Naturforschung. B, A journal of chemical sciences → ACNP
ISSN journal
09320776
Volume
51
Issue
10
Year of publication
1996
Pages
1407 - 1410
Database
ISI
SICI code
0932-0776(1996)51:10<1407:OAB-BT>2.0.ZU;2-6
Abstract
Single crystals of Ba2Nb2TeO10 have been prepared by;solid state react ions in air. X-ray investigations led to orthorhombic symmetry, space group D-2h(15)-Pbca, a=7.242(4), b=12.433(3), c=9.932(3) Angstrom, Z=4 . Nb5+ and Te6+ show octahedral coordination by O2-. The crystal struc ture is characterized by planes of edge- and corner-sharing NbO6- and TeO6 octahedra. It is shown that in spite of nearly identical lattice constants of Ba2Nb2TeO10 with compounds of the composition M(0,5)BaNbT e(2)O(9) the so far unknown crystals of these substances may not be de rived from the Ba2Nb2TeO10 type.