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{XW12O40 [Cu(en)2(H2O)]3} (X=V, Si): Two novel tri-supported Keggin POMs with transition metal complexes
- Source :
-
Journal of Solid State Chemistry . Aug2009, Vol. 182 Issue 8, p2111-2117. 7p. - Publication Year :
- 2009
-
Abstract
- Abstract: Two novel polyoxometalate derivatives, {X IVWVI 10WV 2O40[Cu(en)2(H2O)]3} [X=V (1), Si (2); en=ethylenediamine], have been hydrothermally synthesized and characterized by elemental analyses, IR, UV–Vis, XPS, EPR, TG and single crystal X-ray diffraction analyses. They represent the first classical Keggin polyoxoanion supported by three transition metal complex moieties, which further act as the neutral molecular unit for the construction of the interesting three-dimensional supramolecular frameworks. The magnetic properties of 1 have also been studied in the temperature range of 4–300K, and its magnetic susceptibility obeys the Curie–Weiss law, showing antiferromagnetic coupling. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 00224596
- Volume :
- 182
- Issue :
- 8
- Database :
- Academic Search Index
- Journal :
- Journal of Solid State Chemistry
- Publication Type :
- Academic Journal
- Accession number :
- 43668697
- Full Text :
- https://doi.org/10.1016/j.jssc.2009.05.030