The title synthesized hypophosphite has the formula V(H(2)PO(2))(3). Its structure is based on VO(6) octahedra and (H(2)PO(2))(-) pseudo-tetrahedra. The asymmetric unit contains two crystallographically distinct V atoms and six independent (H(2)PO(2))(-) groups. The connection of the polyhedra generates [VPO(6)H(2)](6-) chains extended along a, b and c, leading to the first three-dimensional network of an anhydrous transition metal hypophosphite.
Vanadium I 5000The First Three-Dimensional Vanadium Hypophosphite. -The new anhydrous vanadium hypophosphite V(H 2 PO 2 ) 3 is prepared by hydrothermal reaction of V 2 O 5 and H3PO2 in the presence of Li2CO3 (H2O, 423 K, autoclave, 48 h). The compound crystallizes in the monoclinic space group P21/n with Z = 4. The structure is based on VO6 octahedra and H2 pseudo-tetrahedra, which are connected to [VPO6 ] chains extending along all three crystallographic axes and thus form a three-dimensional network. -(MAOUEL*, H. A.; ALONZO, V.; ROISNEL, T.; REBBAH, H.; LE FUR, E.; Acta Crystallogr., Sect. C: Cryst. Struct. Commun. 65 (2009) 7, i36-i38; Lab. Sci.
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