夹心型含锌多金属氧酸盐，具有六棱柱核心 [{Zn2W(O)O3}2]4+ 通过热诱导的亚稳多金属氧酸盐的异构化合成。
Sandwich-type zinc-containing polyoxometalates with a hexaprismane core [{Zn2W(O)O3}2]4+ synthesized by thermally induced isomerization of a metastable polyoxometalate.
机构信息
Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
出版信息
Inorg Chem. 2010 Sep 20;49(18):8194-6. doi: 10.1021/ic101419a.
Two novel sandwich-type silicotungstates, TBA(8)[{Zn(2)W(O)O(3)}(2)H(4){α-SiW(9)O(33)}(2)]·5H(2)O (α-Zn4; TBA = tetra-n-butylammonium) and TBA(8)[{Zn(2)W(O)O(3)}(2)H(4){β-SiW(9)O(33)}(2)]·7H(2)O (β-Zn4), were synthesized by the solid-state thermally induced isomerization of metastable TBA(8)[{Zn(OH(2))(μ(3)-OH)}(2){Zn(OH(2))(2)}(2){γ-HSiW(10)O(36)}(2)]·9H(2)O (γ-Zn4). Compounds α-Zn4 and β-Zn4 consisted of two SiW(9)O(33) subunits sandwiching the unprecedented distorted hexaprismane core {Zn(2)W(O)O(3)}(2).
两种新型夹心型硅钨酸盐，TBA([{Zn(2)W(O)O(3)}(2)H(4){α-SiW(9)O(33)}(2)]·5H(2)O (α-Zn4; TBA = 四丁基铵)和 TBA([{Zn(2)W(O)O(3)}(2)H(4){β-SiW(9)O(33)}(2)]·7H(2)O (β-Zn4)，通过亚稳 TBA([{Zn(OH(2))(μ(3)-OH)}(2){Zn(OH(2))(2)}(2){γ-HSiW(10)O(36)}(2)]·9H(2)O (γ-Zn4)的固态热诱导异构化合成。化合物α-Zn4 和 β-Zn4 由两个 SiW(9)O(33)亚基夹在前所未有的扭曲六棱柱核 {Zn(2)W(O)O(3)}(2)之间。
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