data_1000278 _chemical_name_systematic 'Heptabarium copper hexairon(III) fluoride' _chemical_formula_structural 'Ba7 Cu Fe6 F34' _chemical_formula_sum 'Ba7 Cu F34 Fe6' _publ_section_title ; La structure magnetique du ferrimagnetique monodimensionnel Ba~7~ Cu Fe~6~ F~34~ de type jarlite ; loop_ _publ_author_name 'Renaudin, J' 'Ferey, G' 'Drillon, M' 'De=Kozak, A' 'Samouel, M' _journal_name_full ; Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, Serie C, Sciences Chimiques (1966-) ; _journal_coden_ASTM CHDCAQ _journal_volume 308 _journal_year 1989 _journal_page_first 1217 _journal_page_last 1222 _cell_length_a 16.892(4) _cell_length_b 11.331(1) _cell_length_c 7.646(2) _cell_angle_alpha 90 _cell_angle_beta 101.75(2) _cell_angle_gamma 90 _cell_volume 1432.8 _cell_formula_units_Z 2 _symmetry_space_group_name_H-M 'C 1 2/m 1' _symmetry_Int_Tables_number 12 _symmetry_cell_setting monoclinic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' 'x,-y,z' '-x,-y,-z' '-x,y,-z' '1/2+x,1/2+y,z' '1/2+x,1/2-y,z' '1/2-x,1/2-y,-z' '1/2-x,1/2+y,-z' loop_ _atom_type_symbol _atom_type_oxidation_number Ba2+ 2.000 Cu2+ 2.000 Fe3+ 3.000 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 a 0. 0. 0. 1. 0 d Ba2 Ba2+ 4 i 0.2625(6) 0. 0.128(1) 1. 0 d Ba3 Ba2+ 8 j 0.1421(5) 0.3015(6) 0.300(1) 1. 0 d Cu1 Cu2+ 2 d 0. 0.5 0.5 1. 0 d Fe1 Fe3+ 4 i 0.1738(4) 0. 0.5427(9) 1. 0 d Fe2 Fe3+ 8 j 0.1098(3) 0.2411(4) 0.8009(7) 1. 0 d F1 F1- 8 j 0.3812(5) 0.1342(7) 0.031(1) 1. 0 d F2 F1- 8 j 0.1344(4) 0.1303(7) 0.995(1) 1. 0 d F3 F1- 8 j 0.2770(4) 0.2449(8) 0.197(1) 1. 0 d F4 F1- 8 j -0.0011(5) 0.2079(6) 0.803(1) 1. 0 d F5 F1- 8 j 0.4175(4) 0.1403(7) 0.389(1) 1. 0 d F6 F1- 8 j 0.1083(4) 0.1255(8) 0.617(1) 1. 0 d F7 F1- 8 j 0.2376(5) 0.1171(6) 0.456(1) 1. 0 d F8 F1- 4 i 0.2531(6) 0. 0.760(2) 1. 0 d F9 F1- 4 i 0.1130(7) 0. 0.303(2) 1. 0 d F10 F1- 4 i 0.4394(7) 0. 0.681(2) 1. 0 d _refine_ls_R_factor_all 0.109