Citation: Giroult, J P; Goreaud, M; Labbe, P; Raveau, B (1980). Rb~x~ P~8~ W~32~ O~112~: A Tunnel Structure Built up from Re O~3~-Type Blocks and P~2~ O~7~ Groups. Acta Crystallographica B (24,1968-38,1982), 36, pp. 2570-2575.
Formula: O56 P4 Rb0.8 W16
Chemical name:Rubidium phosphorus tungsten oxide (.8/4/16/56)