Citation: Junghwan Do; Ranko P. Bontchev; Allan J. Jacobson (2000). A Hydrothermal Investigation of the 1/2V~2~O~5~-H~2~C~2~O~4~ / H~3~PO~4~ / NH~4~OH System: Synthesis and Structures of (NH~4~)VOPO~4~1.5H~2~O, (NH~4~) (NH~4~)~0.5~VOPO~4~1.5H~2~O, (NH~4~)~2~[VO(H~2~O)~3~]~2~[VO(H~2~O)][VO(PO~4~)~2~]~2~3H~2~O, and (NH~4~)~2~[VO(HPO~4~)]~2~(C~2~O~4~)H~2~O. Inorganic Chemistry, 39, pp. 3230-3237.
Formula: H28 N2 O31 P4 V5
Chemical name: Diammoniumbis(triaquovanadyl)aquovanadylbis(vanadyldiphosphate) trihydrate'