A Layered Manganese(IV)-Containing Heteropolyvanadate with a 1:14 Stoichiometry
作者： Weiwei Guo , John Bacsa , Jan van Leusen , Kevin P. Sullivan , Hongjin Lv
DOI: 10.1021/ACS.INORGCHEM.5B01387
关键词: Crystallography 、 Crystal structure 、 Manganese 、 Chemistry 、 Ion 、 Potassium ions 、 Catalysis 、 Sulfide 、 Octahedron 、 Stoichiometry 、 Nanotechnology
摘要: A novel manganese(IV)-containing symmetrical heteropolyvanadate was prepared by the transformation of K7[MnV13O38]·18H2O (K7MnV13) to K4Li2[MnV14O40]·21H2O (1) at pH 4. The heteropolyanion [MnV14O40]6– (MnV14) is composed a MnO6 octahedron surrounded 14 edge-sharing VO6 octahedra. simplified representation MnV14 has new topology termed jba1 with total point symbol {310}2{314.47}4{318.410}8{344.446.5}. In crystal lattice 1, packs potassium ions, forming 2D layered K2[MnV14O40]4– network (ABABAB...). Four K+ ions cap four square O4 faces MnV14, apparently stabilizing heteropolyanion. Compound 1 catalyzes t-BuOOH-based oxidation 2-chloroethyl ethyl sulfide (a mustard gas simulant). magnetic and catalytic properties are discussed.
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