Patent ID: 7442816

Claim:
A composition of the formula SbVPO 6+δ wherein δ is 0 to about 1.5, wherein SbVPQ 6 is characterized by the data in Tables I and II, as follows: TABLE I. Crystal Structure Parameters of SbVPO 6 Crystal System: Monoclinic Lattice Parameters: a=7.999(2) Å, b=5.727(1) Å, c=11.566(3) Å, β=93.97(1)° Volume: 528.57 Å 3 Formula: SbVPO 6 Units/Cell: 4 Formula Weight: 299.6 amu Density: 3.76 g/cc Space Group: P2 1 /n. TABLE II Fractional Coordinates (×10000) and Isotropic Thermal Parameters ATOM X Y Z B ISO Sb(1) 7921.1(2) 1859.0(3) 9122.8(1) 0.7 V(1) 6104.7(5) 6360.8(7) 10898.4(3) 0.7 P(1) 9586.4(7) 3712.4(11) 11664.0(5) 0.8 O(1) 7983(2) 5020(4) 11809(1) 1.6 O(2) 10000(2) 2064(3) 12675(1) 1.2 O(3) 6231(2) 3862(3) 9766(1) 1.1 O(4) 9517(2) 2291(4) 10524(1) 1.4 O(5) 11101(3) 5348(4) 11649(2) 2.1 O(6) 6774(3) 8757(4) 10400(2) 1.8.