Dimers and chains in lanthanide acetate-chloride hydrates [M(CH3COO)2(H2O)3]Cl (M  Ce-Lu, Y) and [M(CH3COO)(H2O)6]Cl2 · H2O (M  La-Sm): a survey of their synthesis, crystal chemistry and thermal decomposition

Journal of The Less Common Metals Pub Date : 1991-10-01 DOI:10.1016/0022-5088(91)90016-W

Adalbert Lossin, Gerd Meyer

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引用次数: 7

Abstract

Two types of lanthanide- acetate-chloride hydrates, [M(CH₃COO)(H₂O)₆]Cl₂ · H₂O (M  La-Sm) and [M(CH₃COO)₂(H₂O)₃]Cl (M  Ce-Lu, Y), are obtained by the reaction of the chloride hydrates MCl₃ · xH₂O (x = 7, 6) and the oxychlorides MOCl respectively with and in acetic acid (solution). The first compound type contains cationic dimers ^o_∞{[M(CH₃COO)(H₂O)₆]₂}⁴⁺ and is therefore called “type 0” (0 for zero dimensional). The characteristic structural feature of the latter is a cationic chain ¹_∞[M(CH₃COO)₂(H₂O)₃]⁺; it is a “type 1” compound (1 for one dimensional). All compounds were characterized by X-ray powder diffraction (Guinier method) and their thermal behaviour was investigated by thermal analysis.

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醋酸镧-氯化物水合物[M(CH3COO)2(H2O)3]Cl (MCe-Lu, Y)和[M(CH3COO)(H2O)6]Cl2·H2O (MLa-Sm)的二聚体和链:合成、晶体化学和热分解的综述

镧系元素醋酸盐氯化物水合物[M（CH3COO）（H2O）6]Cl2·H2O（M La Sm）和[M（CH3COO）2（H2O）3]Cl（M Ce-Lu，Y）是由氯化物水合物MCl3·xH2O（x=7,6）和氯氧化物MOCl分别与乙酸（溶液）和在乙酸（溶液中）反应得到的。第一种化合物类型包含阳离子二聚体o∞{[M（CH3COO）（H2O）6]2}4+，因此被称为“0型”（0表示零维）。后者的特征结构特征是阳离子链1∞[M（CH3COO）2（H2O）3]+；它是一种“1型”化合物（1表示一维）。通过X射线粉末衍射（Guinier法）对所有化合物进行了表征，并通过热分析研究了它们的热行为。

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Journal of The Less Common Metals

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