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Acta Cryst. (2013). E69, m595-m596
[ doi:10.1107/S1600536813027347 ]

Tetra­quinolinium ditelluro(VI)octa­vanadate(V) octa­hydrate

S. Toumi, S. A. Toumi and M. Rzaigui

Abstract: 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 [pi]-[pi] stacking inter­actions [shortest centroid-centroid separation = 3.541 (7) Å] are also observed. Together, these generate a three-dimensional network.

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