H8 Na4 O16 P4 Averbuch-Pouchot M, Durif A Journal of Solid State Chemistry 58 (1985) 119-132 Contribution to the crystal chemistry of tetrametaphosphates (I). _cod_database_code 1007176 _database_code_amcsd 0013552 9.667 12.358 6.17 90 92.27 90 P2_1/a atom x y z P1 .18699 -.00348 .40241 P2 .4905 .32181 .45642 Na1 .07184 .12550 .9391 Na2 .47394 .06384 .7368 O1 .1190 .0993 .5173 O2 .3618 .4031 .4365 O3 .1622 .5073 .5666 O4 .3785 .4800 .8178 O5 .4801 .2521 .6498 O6 .5041 .2743 .2384 O7 .1187 .4160 .0593 O8 .2957 .1835 .9492 H1 .201 .417 .002 H2 .117 .360 .137 H3 .337 .195 .052 H4 .336 .221 .856