data_global _amcsd_formula_title 'Ba2 F18 Ni7' loop_ _publ_author_name 'Renaudin J' 'Ferey G' 'Kozak A' 'Samouel M' 'Lacorre P' _journal_name_full 'Solid State Communications' _journal_volume 65 _journal_year 1988 _journal_page_first 185 _journal_page_last 188 _publ_section_title ; Crystal and magnetic structures of the ferrimagnet Ba2 Ni7 F18 _cod_database_code 1000248 ; _database_code_amcsd 0015454 _chemical_formula_sum 'Ba2 Ni7 F18' _cell_length_a 6.937 _cell_length_b 7.229 _cell_length_c 7.456 _cell_angle_alpha 94.37 _cell_angle_beta 93.16 _cell_angle_gamma 115.86 _cell_volume 333.850 _exptl_crystal_density_diffrn 5.110 _symmetry_space_group_name_H-M 'P -1' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Ba1 0.31370 0.69180 0.63430 Ni1 0.00000 0.00000 0.50000 Ni2 0.19080 0.87700 0.18230 Ni3 0.81890 0.61510 0.80410 Ni4 0.60660 0.72330 0.11850 F1 0.48040 0.56120 0.32240 F2 0.10670 0.76990 0.92720 F3 0.71680 0.99070 0.55740 F4 0.92030 0.71810 0.57240 F5 0.90340 0.87280 0.24010 F6 0.70590 0.82520 0.87920 F7 0.10070 0.60580 0.28090 F8 0.49560 0.92750 0.18070 F9 0.67980 0.48670 0.02610 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Ba1 0.00770 0.00890 0.01010 0.00090 -0.00020 0.00320 Ni1 0.00670 0.00640 0.00690 0.00150 0.00140 0.00280 Ni2 0.00640 0.00580 0.00740 0.00120 0.00060 0.00220 Ni3 0.00660 0.00630 0.00720 0.00100 0.00130 0.00250 Ni4 0.00600 0.00690 0.00720 0.00150 0.00110 0.00250 F1 0.00890 0.01100 0.01060 0.00430 0.00090 0.00270 F2 0.01150 0.01390 0.00850 -0.00360 -0.00130 0.00380 F3 0.00860 0.01130 0.00870 0.00070 0.00020 0.00310 F4 0.01740 0.01250 0.01050 0.00490 0.00450 0.00810 F5 0.00880 0.01580 0.00890 -0.00080 -0.00120 0.00630 F6 0.01090 0.00780 0.01070 0.00320 0.00360 0.00550 F7 0.01320 0.00530 0.01240 0.00100 0.00220 0.00300 F8 0.00820 0.01170 0.01490 -0.00050 0.00170 0.00530 F9 0.00870 0.00840 0.00870 0.00170 0.00120 0.00330