Ag2 H2 O7 P2 Averbuch-Pouchot M, Durif A European Journal of Solid State and Inorganic Chemistry 29 (1992) 993-999 Crystal structure of silver-dihydrogeno-diphospate: Ag2H2P2O7 _cod_database_code 1007207 _database_code_amcsd 0012558 27.779 12.385 7.026 90 90 90 *Fddd .125 .125 .125 atom x y z Ag1 .42455 .26780 .52474 P1 .94754 .01972 .7169 O1 .4713 .125 .125 O2 .5079 .2061 .5262 O3 .3311 .0564 .3568 O4 .1664 .7153 -.07320 H1 .012 .125 .125 H2 .125 .95 .125