Ba Ni O7 P2 Riou D, Leligny H, Pham C, Labbe P, Raveau B Acta Crystallographica B47 (1991) 608-617 BaNiP2O7, a triclinic diphosphate with a modulated structure ofthe displacive type _cod_database_code 1001511 _database_code_amcsd 0010491 5.317 7.580 7.116 101.26 84.48 89.49 P-1 atom x y z occ Ba1 .1841 .0667 .21715 .5 Ba2 .2294 .07410 .23475 .5 Ni1 .1798 .5911 .4069 .5 Ni2 .1922 .6153 .3316 .5 P1 .7036 .3940 .2194 .5 P2 .7072 .4218 .1611 .5 P3 .6974 .7896 .2736 O1 .9250 .8013 .3934 O2 .446 .7959 .3970 O3 .710 .9337 .1521 O4 .729 .6008 .1276 O5 .908 .410 .303 .5 O6 .886 .411 .381 .5 O7 .772 .298 -.033 .5 O8 .794 .242 .055 .5 O9 .5630 .6017 .722