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 1007175 _database_code_amcsd 0013551 6.652 9.579 6.32 103.4 106.98 93.28 P-1 atom x y z P1 .26653 .08995 .24381 P2 .89850 .21206 .98661 Na1 .82110 .126 .42149 Na2 .55608 .40321 .23963 O1 .1207 .1505 .0431 O2 .1579 .0795 .4148 O3 .4806 .1711 .3179 O4 .8916 .2747 .7915 O5 .8695 .3008 .1987 O6 .7270 .0698 .9047 O7 .3493 .3582 .8208 O8 .2613 .4951 .3559 H1 .342 .275 .727 H2 .219 .334 .833 H3 .778 .431 .692 H4 .143 .437 .331