Decavanadate cluster templated with organic cation, [4-(CH 3 O)C 6 H 4 CH 2 NH 3 ] 6 V 10 O 28 Á2H 2 O (4MBAV10) has been prepared and characterized by elemental analysis, X-ray diffraction and IR., UV-Vis., fluorescence and 1 H, 13 C-NMR spectroscopies. The X-ray structure determination revealed the discrete decavanadate cage-like clusters [V 10 O 28 ] 6-(V10). These polymeric species associated to lattice water resultsn stacked parallel to the (a,b) plane where the templating cations filled the interlayer spacing to perform 3D supramolecular network supported by a set of O-HÁÁÁO, N-HÁÁÁO, C-HÁÁÁO and C-HÁÁÁp interactions as well as electrostatic ones. The optical survey of 4MBAV10 has been used to determine the optical band gap and to provide the blue fluorescent behavior of grown crystals. Furthermore, antibacterial activity was tested and showed that the compound exhibited a reasonable activity against gramm positif Enterococcus feacium.Electronic supplementary material The online version of this article (
In the title compound, (C9H8N)4[Te2V8O28]·8H2O, the complete heteropolyanion is generated by a crystallographic inversion centre. One of the two quniolinium ions forms an N—H⋯Op (p = polyoxidometallate) hydrogen bond and the other an N—H⋯Ow (w = water) hydrogen bond. The water molecules further link the components by O—H⋯Op and O—H⋯Ow hydrogen bonds. A number of C—H⋯O interactions and aromatic π–π stacking interactions [shortest centroid–centroid separation = 3.541 (7) Å] are also observed. Together, these generate a three-dimensional network.
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