O15P4V3
Johnson, J.W.Johnston, D.C.King, H.E.jr.Brody, J.F.Halbert, T.R.Goshorn, D.P.
Inorganic Chemistry (1988) 27, 1646-1648
a=17.459Å b=12.185Å c=5.2431Å
α=90° β=90° γ=90°