From Infinite Chains according to 1∞[Zr(S2O7)4/2] in Zr(S2O7)2 to the unprecedented [Zr(S2O7)4]4– Anion in Ag4[Zr(S2O7)4]
From Infinite Chains according to 1∞[Zr(S2O7)4/2] in Zr(S2O7)2 to the unprecedented [Zr(S2O7)4]4– Anion in Ag4[Zr(S2O7)4]
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从 Zr(S2O7)2 中 1â[Zr(S2O7)4/2] 的无限链到 Ag4[Zr(S2O7)4] 中前所未有的 [Zr(S2O7)4]4â 阴离子
DOI:
10.1002/zaac.201600390
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发表时间:
2017
期刊:
影响因子:
--
通讯作者:
Mathias S. Wickleder
中科院分区:
文献类型:
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作者:
Katja Rieß;Christian Logemann;Mathias S. Wickleder
The reaction of ZrCl4with oleum (65 % SO3) in the presence of Ag2SO4at 250 °C yielded colorless single crystals of Zr(S2O7)2[orthorhombic,Pccn, Z= 4,a= 709.08(6) pm,b= 1442.2(2) pm,c= 942.23(9) pm,V= 963.5(2) × 106pm3]. Zr(S2O7)2shows Zr4+ions in an eightfold distorted square antiprismatic coordination of oxygen atoms belonging to four chelating disulfate units. Each S2O72–ion is connected to a further Zr4+ion leading to chains according to1∞[Zr(S2O7)4/2]. The same reaction at a temperature of 150 °C resulted in the formation of Ag4[Zr(S2O7)4] [monoclinic,C2/c, Z= 4,a= 1829.35(9) pm,b= 704.37(3) pm,c= 1999.1(1) pm,β= 117.844(2)°,V= 2277.6(2) × 106pm3]. Ag4[Zr(S2O7)4] exhibits the unprecedented [Zr(S2O7)4]4–anion, in which the central Zr4+cation is coordinated by four chelating disulfate units. Thus, in Ag4[Zr(S2O7)4] the1∞[[Zr(S2O7)4/2] chains observed in Zr(S2O7)2are formally cut into pieces by the implementation of Ag+ions.
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