Three new polyoxovanadate-based metal–organic polyhedra (VMOPs) have been successfully synthesized and structurally characterized. Single crystals of three VMOPs were obtained by reaction of VCl₃ and different carboxylate ligands (2,5-H₂TDA = thiophene-2,5-dicarboxylic acid for VMOP-4, m-H₂BDC = 1,3-benzenedicarboxylic acid for VMOP-5, 2,6-H₂NDC = 2,6-naphthalenedicarboxylic aid for VMOP-6) under solvothermal conditions. Though all of the three hybrids feature the same {V^VV₄^IV} units, their structures exhibit differences changing from truncated triangular prism to truncated quadrangular prism to octahedron, mainly depending on the nature of carboxylate ligands. Furthermore, the magnetic investigations reveal that VMOP-4–6 show similar ferromagnetic behaviors.

中文翻译：

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聚氧钒酸盐基金属有机多面体的配体导向组装

已经成功合成了三种新型的基于聚氧钒酸盐的金属有机多面体（VMOPs）并对其进行了结构表征。3个VMOPs的单结晶的VCl的反应，得到₃和不同羧酸根配体（2,5--H ₂ TDA =噻吩-2,5-二羧酸为VMOP - 4，米-H ₂ BDC = -1,3-苯二甲酸对于VMOP - 5，在溶剂热条件下为2,6-H ₂ NDC =对VMOP - 6的2,6-萘二羧酸助剂。尽管所有三个混合动力车都具有相同的{V ^V V ₄ ^IV}单元，其结构表现出从截顶的三棱柱到截顶的四角形棱柱到八面体的差异，这主要取决于羧酸盐配体的性质。此外，磁性的调查显示，VMOP - 4 - 6显示出类似的铁磁行为。