In this communication we report the synthesis and full structural characterization of the new phase Ba(8)Co(2)Mn(6)ClO(22) formed of novel 8H-hexagonal perovskite blocks, a good example of the use of a multi-technique approach (combination of single crystal X-ray diffraction, micro-probe analysis and DFT calculations). Strikingly, the stabilization of original linear hexamers in the blocks is achieved by Mn/Co ordering in the octahedral and tetrahedral sites.
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Ba8Co2Mn6ClO22, a quasi-1D hexagonal perovskite polytype containing new 8H-blocks.
Chem Commun (Camb)
August 2010
Univ. Lille Nord de France, Unité de Catalyse et de Chimie du Solide, UCCS, CNRS UMR8181, F-59652 Villeneuve d'Ascq cedex, France.
In this communication we report the synthesis and full structural characterization of the new phase Ba(8)Co(2)Mn(6)ClO(22) formed of novel 8H-hexagonal perovskite blocks, a good example of the use of a multi-technique approach (combination of single crystal X-ray diffraction, micro-probe analysis and DFT calculations). Strikingly, the stabilization of original linear hexamers in the blocks is achieved by Mn/Co ordering in the octahedral and tetrahedral sites.
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