Structural motifs of mixed salts Ag2[Pd(NO2)4] · Ag1-xNaxNo2x > 0.3) and [Pd(NH3)4] [MA6] (M = Re, Os, Ir, Pt; A = Cl, Br)

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作者
S. A. Gromilov
S. V. Korenev
S. P. Khranenko
V. I. Alekseev
机构
[1] Russian Academy of Sciences,Institute of Inorganic Chemistry, Siberian Branch
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Unit Cell Parameter; Complex Anion; Mixed Salt; Palladium Atom; Heavy Fragment;
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摘要
Mixed salts of noble metals with the general formula [Pd(NH3)4][MA6], where M = Re, Os, Ir, Pt;A = Cl,Br, and Ag2[Pd(NO2)4]-Ag1-xNaxNO2 (x> 0.3) have been synthesized and studied by X-ray diffractometry. It was found that the former are isostructural to each other and the latter are isostructural to Na2[Pd(NO2)4j-NaNO2. The structural motif of these compounds was established and metal-metal distances were estimated by the cation sublattice method In all cases, metal atoms form common cation sublattices with lattice parameters between 4.5 and 6.3 Å. An original approach to revealing common sublattices in crystal structures where the fragments differ considerably in weight is described.
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页码:96 / 102
页数:6
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