Na2Ca(HPO4)2 Ben Chaabane T, Smiri-Dogguy L, Laligant Y, Le Bail A European Journal of Solid State and Inorganic Chemistry 34 (1997) 937-946 Structure of Na2Ca(HPO4)2 determined ab initio from conventional powder diffraction data _cod_database_code 1000140 _database_code_amcsd 0012610 9.0652 7.1468 5.4700 90 98.782 90 P2_1 atom x y z Ca .2331 0 .1970 P1 .4255 .2119 .7576 P2 .0361 .8537 .6901 Na1 .2427 .4920 .0549 Na2 .3843 .7346 .6796 O1 .0675 .8528 .4233 O2 .4020 .1980 .0288 O3 .3351 .3938 .6535 O4 .3681 .0526 .6042 O5 .5916 .2535 .7543 O6 .1564 .7448 .8638 O7 .8763 .7932 .6990 O8 .9526 .560 .1898