Magneto-structural study and synthesis optimization of a phosphovanadate copper complex, [Cu(VO)2(PO4)2(H2O)4] n
Magneto-structural study and synthesis optimization of a phosphovanadate copper complex, [Cu(VO)2(PO4)2(H2O)4] n
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磷钒酸铜配合物 [Cu(VO)2(PO4)2(H2O)4] n 的磁结构研究和合成优化
DOI：
10.1080/00958972.2012.693608
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发表时间：
2012
影响因子：
1.9
通讯作者：
J. Pivan
中科院分区：
文献类型：
--
作者：
R. Baggio;D. Contreras;Y. Moreno;Ramón Arrué;I. Paulus;O. Peña;J. Pivan
优化了磷钒化合物[Cu（VO）2（PO4）2（H2O）4] n的合成方法，并对其结构进行了分析，讨论了其与磁性的关系。该结构由平行于（100）的二维骨架组成，由两个独立的VO6八面体通过磷酸盐连接而成。相邻的二维结构沿[100]沿着堆叠，并通过水介导的氢键连接。顺磁离子的空间分布产生弱反铁磁行为，J = −17 cm−1，这与三个顺磁中心呈不规则三角形排列的模型一致。使用多变量分析进行合成过程的优化，寻找具有最佳实验值的响应面。
The optimized synthesis of a phospho-vanadyl compound, [Cu(VO)2(PO4)2(H2O)4] n , is presented and its structural analysis is performed and discussed in relation to magnetic properties. The structure consists of a 2-D skeleton parallel to (100), made up by two independent VO6 octahedra linked by phosphates. Neighboring 2-D structures stack along [100] and are connected by aqua-mediated H-bonds. The spatial disposition of paramagnetic ions gives rise to weak antiferromagnetic behavior, with J = −17 cm−1, which is consistent with a model of three paramagnetic centers in an irregular triangular arrangement. An optimization of the synthesis process, looking for a response surface with optimum experimental values, was performed using a multivariate analysis.