D. Fratzky et al., Redetermination of the crystal structure of oxovanadium(IV)hydrogen phosphate tetrahydrate, VOHPO4 center dot 4H(2)O, Z KRIST-NEW, 214(1), 1999, pp. 9-10
H9O9PV, triclinic, P (1) over bar (No. 2), a = 6.385(1) Angstrom, b = 8.925
(2) Angstrom, c = 13.450(3) Angstrom, alpha = 91.25(3)degrees, beta = 103.6
5(3)degrees, gamma = 108.93(3)degrees, V = 700.5 Angstrom(3), Z = 2, R-gt(F
) = 0.034, R-w(F-2) = 0.098, T = 293 K.