H8 Mo N2 O9 P2 Averbuch-Pouchot M Acta Crystallographica C44 (1988) 2046-2048 Structure of an ammonium molybdenyl diphosphate (N H4)2 Mo O2 P2 O7 _cod_database_code 1008370 _database_code_amcsd 0016280 13.984 8.297 15.81 90 99.11 90 C2/c atom x y z Mo1 .38558 .12662 .36163 P1 .37596 .07256 .15739 P2 .04204 .30821 .42872 O1 .3834 .0071 .24955 O2 .2836 .1586 .1272 O3 .4649 .1671 .1453 O4 .1270 .4135 .3997 O5 .0498 .4060 .0837 O6 .4232 .2277 .47647 O7 .0355 .1536 .3802 O8 .2785 .0508 .3806 O9 .3524 .3035 .3127 N1 .1385 .1489 .2318 N2 .3559 .4053 .0209