#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1000249.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1000249 _chemical_name_systematic ; Dibarium octafluorotriniccolate decafluorotetraniccolate ; _chemical_formula_structural 'Ba2 (Ni3 F8) (Ni4 F10)' _chemical_formula_sum 'Ba2 F18 Ni7' _publ_section_title ; Crystal and magnetic structures of the ferrimagnet Ba~2~ Ni~7~ F~18~ ; loop_ _publ_author_name 'Renaudin, J' 'Ferey, G' 'Kozak, A' 'Samouel, M' 'Lacorre, P' _journal_name_full 'Solid State Communications' _journal_coden_ASTM SSCOA4 _journal_volume 65 _journal_year 1988 _journal_page_first 185 _journal_page_last 188 _cell_length_a 6.924(9) _cell_length_b 7.218(10) _cell_length_c 7.437(13) _cell_angle_alpha 94.39(12) _cell_angle_beta 93.20(13) _cell_angle_gamma 115.82(9) _cell_volume 331.9 _cell_formula_units_Z 1 _symmetry_space_group_name_H-M 'P -1' _symmetry_Int_Tables_number 2 _symmetry_cell_setting triclinic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,-y,-z' loop_ _atom_type_symbol _atom_type_oxidation_number Ba2+ 2.000 Ni2+ 2.000 F1- -1.000 loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Ba1 Ba2+ 2 i 0.315(5) 0.697(4) 0.624(3) 1. 0 d Ni1 Ni2+ 1 b 0. 0. 0.5 1. 0 d Ni2 Ni2+ 2 i 0.199(3) 0.884(2) 0.186(2) 1. 0 d Ni3 Ni2+ 2 i 0.823(2) 0.618(2) 0.799(2) 1. 0 d Ni4 Ni2+ 2 i 0.676(2) 0.718(3) 0.115(2) 1. 0 d F1 F1- 2 i 0.480(5) 0.565(5) 0.324(4) 1. 0 d F2 F1- 2 i 0.110(6) 0.762(4) 0.934(4) 1. 0 d F3 F1- 2 i 0.721(5) 0.986(5) 0.561(3) 1. 0 d F4 F1- 2 i 0.916(5) 0.712(5) 0.576(4) 1. 0 d F5 F1- 2 i 0.907(6) 0.878(5) 0.244(5) 1. 0 d F6 F1- 2 i 0.691(5) 0.811(5) 0.873(4) 1. 0 d F7 F1- 2 i 0.078(5) 0.606(5) 0.270(3) 1. 0 d F8 F1- 2 i 0.513(4) 0.924(5) 0.181(4) 1. 0 d F9 F1- 2 i 0.692(5) 0.497(5) 0.012(4) 1. 0 d _refine_ls_R_factor_all 0.028 _cod_database_code 1000249