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首页> 外文期刊>Crystallography reports >Specific features of the crystal structure of erbium polyphosphate of the structural type C
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Specific features of the crystal structure of erbium polyphosphate of the structural type C

机译:C型结构的多磷酸的晶体结构的特定特征

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Erbium polyphosphate Er(PO3)3 is synthesized at a temperature of 270°C from a polyphosphoric acid melt containing cerium, erbium, and phosphorus in the atomic ratio Cs: Er: P = 5: 1: 15. The crystal structure of the Er(PO3)3 polyphosphate synthesized is determined. The framework structure of the Er(PO3)3 polyphosphate is built up of infinite polyphosphate chains and ErO6 octahedra bonded to these chains. The structure is a derivative of the structural type C, in which a large number of trivalent metal polyphosphates crystallize. The main distinguishing feature of this structural type is an increase in the parameter b of the monoclinic unit cell of the Er(PO3)3 compound by a factor of 11 (a = 10.040 ?, b = 73.482 ?, c = 11.268 ?, β = 97.28°, space group Ia).
机译:聚磷酸Er(PO3)3是在270°C的温度下由原子比为Cs:Er:P = 5:1:1的铈,和磷的多磷酸熔体合成的.Er的晶体结构测定合成的(PO3)3多磷酸盐。 Er(PO3)3多磷酸盐的骨架结构由无限多磷酸盐链和结合到这些链上的ErO6八面体构成。该结构是结构类型C的衍生物,其中大量的三价金属多磷酸盐结晶。这种结构类型的主要区别在于,Er(PO3)3化合物的单斜晶胞参数b增加了11倍(a = 10.040?,b = 73.482?,c = 11.268?,β = 97.28°,空间群Ia)。

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