期刊
JOURNAL OF COORDINATION CHEMISTRY
卷 65, 期 13, 页码 2319-2331出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00958972.2012.693608
关键词
Magneto-structural study; Phosphovanadate; Copper complex
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.
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