Bouzidi Chahira, Zid Mohamed Faouzi, Driss Ahmed, Souilem Amira
Laboratoire de Matériaux et Cristallochimie, Faculté des Sciences de Tunis, Université de Tunis ElManar, 2092 Manar II Tunis, Tunisia.
Acta Crystallogr Sect E Struct Rep Online. 2014 Jun 11;70(Pt 7):i36-i37. doi: 10.1107/S1600536814013099. eCollection 2014 Jul 1.
The title compound, dirubidium dimanganese(II) tris-(tetra-oxo-molyb-date), Rb2Mn2(MoO4)3, was prepared by solid-state reactions. The structure can be described as being composed of MnO6 octa-hedra sharing corners with MoO4 tetra-hedra. The three-dimensional framework contains cavities in which the rubidium ions are located. The Rb(+) cations are within distorted nine- and 12-vertex polyhedra. The pairs of different Mn(2+) and Rb(+) cations are each located on threefold rotation axes.. Rb2Mn2(MoO4)3 is isotypic with compounds of the Cs2 M 2Mo3O12 (M = Ni, Fe) family. A comparative structural description is provided between the structure of the title compound and those of related phases. Differences with structures such as alluaudite are discussed.
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