Ba3(PO9)3(H2O)4 Averbuch-Pouchot M, Durif A Zeitschrift fur Kristallographie 174 (1986) 219-224 Crystal structure of barium cyclotriphosphate tetrahydrate, Ba3(PO9)3(H2O)4 _cod_database_code 1007162 _database_code_amcsd 0010957 16.09 8.368 7.717 90 95.38 90 C2/m atom x y z occ Ba1 .19029 0 .95150 .75 Ba2 .04701 0 .4317 .75 P1 .13574 .3311 .7000 P2 .3080 0 .5976 O1 .1545 .3507 .4997 O2 .2143 .3147 .8157 O3 .0735 .2025 .7069 O4 .0926 .5 .7327 O5 .3465 0 .7812 O6 .2158 0 .575 O7 .0788 .2067 .1154