AM_Mn2(NH4)4(P6O18)(C2O4)6H2O Formula: Mn P3 O14 N2 C H6 Name: Mn2(NH4)4(P6O18)(C2O4).6H2O Unit cell: 9.747 9.751 7.689 99.92 105.88 100.08 , V=673.08 Space group: P-1 (2)

Averbuch-Pouchot M T , Durif A , Acta Crystallographica, Section C , 46 (1990) p.965-968, Crystal chemistry of cyclo-hexaphosphates. IX. structure of tetraammonium, dimanganese cyclo-hexaphosphate oxalate hexahydrate