(Na2/3Zr1/3)2P2O7 Gali S, Byrappa K Acta Crystallographica C46 (1990) 2011-2013 Structure of (Na2/3Zr1/3)P2O7 _database_code_amcsd 0010200 6.867 12.345 27.527 90 90 90 *Fddd .125 .125 .125 atom x y z occ Biso P .7842 .4816 .0521 .59 Na .2758 .5171 .0756 2/3 4.74 Zr .2758 .5171 .0756 1/3 4.74 O1 .9326 .5360 .0843 1.24 O2 .7249 .5427 .0064 1.05 O3 .6007 .4461 .0806 .97 O4 .8750 .3750 .0282 .55