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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Hexachloroplatinates of the Lanthanides: Syntheses and thermal decomposition of [M(NO3)(2)(H2O)(6)](2)[PtC1(6)] center dot 2H(2)O (M = La, Pr) and [M(NO3)(H2O)(7)][PtCl6] center dot 4H(2)O (M = Gd, Dy)
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Hexachloroplatinates of the Lanthanides: Syntheses and thermal decomposition of [M(NO3)(2)(H2O)(6)](2)[PtC1(6)] center dot 2H(2)O (M = La, Pr) and [M(NO3)(H2O)(7)][PtCl6] center dot 4H(2)O (M = Gd, Dy)

机译:镧系元素的六氯铂酸盐:[M(NO3)(2)(H2O)(6)](2)[PtC1(6)]中心点2H(2)O的合成和热分解(M = La,Pr)和[ M(NO3)(H2O)(7)] [PtCl6]中心点4H(2)O(M = Gd,Dy)

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摘要

The reaction of the nitrates M(NO3)(3) center dot 6H(2)O (M = La, Pr) and (H3O)(2)PtCl6 led to yellow single crystals of [M(NO3)(2)(H2O)(6)](2)[PtCl6] center dot 2H(2)O (M = La, Pr) (monoclinic, P2(1)lc, Z = 2, La/Pr: a = 697.4(3)/695.5(1), b = 1654.5(1)/1652.5(2), c = 1317.7(6)/1318.5(3) pm, ss = 93.97 degrees(7)/93.93 degrees(2), R-all = 0.0169/0.0659) while the reaction of M(NO3)(3)center dot 5H2O (M = Gd, Dy) and (H3O)(2)PtCl6 yielded yellow single crystals of [M(NO3)(H2O)(7)][PtCl6] center dot 4H(2)O (monoclinic, P2(1)ln, Z = 4, Gd/Dy: a = 838.72(3)/838.40(2), b = 2131.98(6)/2139.50(7), c = 1142.63(3)/1143.10(3) pm, ss = 95.670(4)/95.698(3), R-all = 0.0475/0.0337). The crystal structures consist of octahedral [PtCl6](2-) anions and complex [M(NO3)(2)(H2O)(6)](2)(+) and [M(NO3)(H2O)(7)](2+) cations, respectively. The thermal decomposition of both types of compounds leads via various steps to elemental platinum and the oxide chlorides MOCI (M = La, Pr Gd, Dy).
机译:硝酸盐M(NO3)(3)中心点6H(2)O(M = La,Pr)和(H3O)(2)PtCl6的反应生成黄色的[M(NO3)(2)(H2O)单晶)(6)](2)[PtCl6]中心点2H(2)O(M = La,Pr)(单斜晶系,P2(1)lc,Z = 2,La / Pr:a = 697.4(3)/695.5 (1),b = 1654.5(1)/1652.5(2),c = 1317.7(6)/1318.5(3)pm,ss = 93.97度(7)/93.93度(2),R-all = 0.0169 / 0.0659 ),而M(NO3)(3)中心点5H2O(M = Gd,Dy)和(H3O)(2)PtCl6的反应生成黄色的[M(NO3)(H2O)(7)] [PtCl6]单晶中心点4H(2)O(单斜晶,P2(1)ln,Z = 4,Gd / Dy:a = 838.72(3)/838.40(2),b = 2131.98(6)/2139.50(7),c = 1142.63(3)/1143.10(3)pm,ss = 95.670(4)/95.698(3),R-all = 0.0475 / 0.0337)。晶体结构由八面体[PtCl6](2-)阴离子和复合物[M(NO3)(2)(H2O)(6)](2)(+)和[M(NO3)(H2O)(7)]组成(2+)个阳离子。两种化合物的热分解通过不同的步骤导致元素铂和氧化物氯化物MOCI(M = La,Pr Gd,Dy)。

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