data_global _amcsd_formula_title 'Ba2 Ni O8 P2' loop_ _publ_author_name 'Elbali B' 'Boukhari A' 'Aride J' 'Belaiche M' 'Abraham F' 'Drillon M' _journal_name_full 'European Journal of Solid State and Inorganic Chemistry' _journal_volume 31 _journal_year 1994 _journal_page_first 61 _journal_page_last 73 _publ_section_title ; Crystal structure and magnetic properties of Ba2 Ni (P O4)2 _cod_database_code 1004106 ; _database_code_amcsd 0012586 _chemical_formula_sum 'Ba2 Ni P2 O8' _cell_length_a 5.312 _cell_length_b 8.789 _cell_length_c 16.06699 _cell_angle_alpha 90 _cell_angle_beta 90.72 _cell_angle_gamma 90 _cell_volume 750.063 _exptl_crystal_density_diffrn 4.634 _symmetry_space_group_name_H-M 'P 1 21/n 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Ba1 0.29724 0.29690 0.98135 Ba2 0.74252 0.84645 0.27012 Ni1 0.27354 0.48772 0.36654 P1 0.73237 0.58609 0.42170 P2 0.24961 0.61141 0.16666 O1 0.78890 0.58470 0.51480 O2 0.51630 0.69680 0.40030 O3 0.64530 0.43020 0.38750 O4 0.97090 0.63480 0.37370 O5 0.35180 0.52740 0.09070 O6 0.35880 0.77510 0.16660 O7 -0.03990 0.61220 0.16550 O8 0.35250 0.53060 0.24490