期刊
SOLID STATE SCIENCES
卷 7, 期 12, 页码 1517-1521出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solidstatesciences.2005.08.022
关键词
static orientational disorder; cluster; niobium; disorder; crystal structure
The synthesis and crystal structure of Cs3Mn[Nb6Cl9O3(CN)(6)]center dot 0.6H(2)O are described in this work. It crystallizes in the cubic system (space group Fm-3m a = 15.708(5) angstrom) and is characterized by a static orientational disorder of the [Nb6Cl9O3(CN)(6)](5-) cluster units. It results in a Mn{Nb6Cl9O3(CN)(6)}](3-)infinity framework structurally related to that encountered in the well known Prussian Blue family prepared for different hexacyanometallates. The charge of the [Mn{Nb6Cl9O3(CN)(6)}](3-)infinity framework is compensated by cesium cations that are located in the tetrahedral cavities of the c.f.c. lattice of units along with water molecules. We will evidence the features that act in the crystallization of solid state compounds built up from ordered or disordered units as well as the influence of orientational disorder on interatomic distances obtained from single-crystal X-ray diffraction investigations. (c) 2005 Elsevier SAS. All rights reserved.
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