H Na2 O9 P3 Averbuch-Pouchot M, Guitel J, Durif A Acta Crystallographica C39 (1983) 809-810 Structure d'un Trimetaphosphate Acide de Sodium: Na2 H P3 O9 _cod_database_code 1007098 _database_code_amcsd 0009975 7.788 7.809 7.129 116.69 103.41 81.94 P-1 atom x y z P1 .5448 .6271 .8196 P2 .7914 .8433 .7832 P3 .7939 .8448 .1900 Na1 .1456 .6520 .4854 Na2 .1614 .6476 -.0166 O1 .3996 .2385 .2754 O2 .8336 .9328 .0399 O3 .6025 .7643 .0756 O4 .6612 .4516 .7633 O5 .6499 .3778 .2304 O6 .7711 .0162 .7370 O7 .9250 .6912 .6945 O8 .7776 .0182 .3973 O9 .9269 .6910 .1951 H1 .784 .021 .520