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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >The suboxometallates A_9MO_4 (A = Rb, Cs; M = Al, Ga, In, Fe, Sc) [Die Suboxometallate A_9MO_4 (A = Rb, Cs; M = Al, Ga, In, Fe, Sc)]
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The suboxometallates A_9MO_4 (A = Rb, Cs; M = Al, Ga, In, Fe, Sc) [Die Suboxometallate A_9MO_4 (A = Rb, Cs; M = Al, Ga, In, Fe, Sc)]

机译:亚金属氧酸盐A_9MO_4(A = Rb,Cs; M = Al,Ga,In,Fe,Sc)[模具金属硫酸盐A_9MO_4(A = Rb,Cs; M = Al,Ga,In,Fe,Sc)]

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摘要

Single crystals of the suboxometallates A_9MO_4 (A = Rb, Cs; M = Al, Ga, Fe, Sc) were prepared by reaction of stoichiometric mixtures of M_2O_3 with alkali metals and their oxides A _2O. They crystallize in the tetragonal Cs_9InO_4 structure type (space group 14/mcm) and contain ortho-oxometallate(III) anions in a metallic matrix. Cesium can be partially substituted by rubidium, as shown for phases of arbitrary compositions (Rb_xCS_(1-x))CS _8GaO_4 (x = 0.57) and (Rb_xCs_(1-x)) Cs_8InO_4 (x = 0.87). The substitution leads to statistical occupation of one crystallographic position, The same holds for substitutions of M, as in Cs_9(Al_xIn_(1-x);)O_4 (x = 0.51) and Cs_9(Sc_xIn_(1-x);)O_4 (x = 0.68).
机译:亚金属氧酸盐A_9MO_4(A = Rb,Cs; M = Al,Ga,Fe,Sc)的单晶是通过M_2O_3与碱金属及其氧化物A _2O的化学计量混合物反应制得的。它们结晶成四方的Cs_9InO_4结构类型(空间群14 / mcm),并在金属基质中包含原金属氧阴离子。铯可以被rub部分取代,如任意组成的相(Rb_xCS_(1-x))CS _8GaO_4(x = 0.57)和(Rb_xCs_(1-x))Cs_8InO_4(x = 0.87)所示。取代导致一个晶体位置的统计占有,M的取代也是如此,如Cs_9(Al_xIn_(1-x);)O_4(x = 0.51)和Cs_9(Sc_xIn_(1-x);)O_4( x = 0.68)。

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