#------------------------------------------------------------------------------ #$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1008804.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_1008804 _chemical_name_systematic ; Barium zinc iron hexaferrate(III) (1/0.94/06.06/1) ; _chemical_formula_structural 'Ba (Zn0.94 Fe0.06) (Fe6 O11)' _chemical_formula_analytical 'Ba Zn0.94 Fe6.05 O11' _chemical_formula_sum 'Ba Fe6.06 O11 Zn0.94' _[local]_cod_chemical_formula_sum_orig 'Ba Fe6.06 O11 Zn.94' _publ_section_title ; Crystal structure and zinc location in the Ba Zn Fe6 O11 Y-type hexagonal ferrite ; _space_group_IT_number 166 _symmetry_space_group_name_Hall '-R 3 2"' _symmetry_space_group_name_H-M 'R -3 m :H' _[local]_cod_cif_authors_sg_H-M 'R -3 m H' loop_ _publ_author_name 'Collomb, A' 'Muller, J' 'Guitel, J C' 'Desvignes, J M' _journal_name_full 'Journal of Magnetism and Magnetic Materials' _journal_coden_ASTM JMMMDC _journal_volume 78 _journal_year 1989 _journal_page_first 77 _journal_page_last 84 _cell_length_a 5.875(1) _cell_length_b 5.875(1) _cell_length_c 43.571(6) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 1302.4 _cell_formula_units_Z 6 _symmetry_cell_setting trigonal loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-y,x-y,z' 'y-x,-x,z' '-y,-x,z' 'x,x-y,z' 'y-x,y,z' '-x,-y,-z' 'y,y-x,-z' 'x-y,x,-z' 'y,x,-z' '-x,y-x,-z' 'x-y,-y,-z' '1/3+x,2/3+y,2/3+z' '2/3+x,1/3+y,1/3+z' '1/3-y,2/3+x-y,2/3+z' '2/3-y,1/3+x-y,1/3+z' '1/3-x+y,2/3-x,2/3+z' '2/3-x+y,1/3-x,1/3+z' '1/3-y,2/3-x,2/3+z' '2/3-y,1/3-x,1/3+z' '1/3+x,2/3+x-y,2/3+z' '2/3+x,1/3+x-y,1/3+z' '1/3-x+y,2/3+y,2/3+z' '2/3-x+y,1/3+y,1/3+z' '1/3-x,2/3-y,2/3-z' '2/3-x,1/3-y,1/3-z' '1/3+y,2/3-x+y,2/3-z' '2/3+y,1/3-x+y,1/3-z' '1/3+x-y,2/3+x,2/3-z' '2/3+x-y,1/3+x,1/3-z' '1/3+y,2/3+x,2/3-z' '2/3+y,1/3+x,1/3-z' '1/3-x,2/3-x+y,2/3-z' '2/3-x,1/3-x+y,1/3-z' '1/3+x-y,2/3-y,2/3-z' '2/3+x-y,1/3-y,1/3-z' loop_ _atom_type_symbol _atom_type_oxidation_number Ba2+ 2.000 Zn2+ 2.000 Fe3+ 2.940 O2- -2.000 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+ 6 c 0. 0. 0.29992(1) 1. 0 d Zn1 Zn2+ 6 c 0. 0. 0.37610(2) 0.25(2) 0 d Fe1 Fe3+ 6 c 0. 0. 0.37610(2) 0.75(2) 0 d Zn2 Zn2+ 6 c 0. 0. 0.15227(2) 0.69(2) 0 d Fe2 Fe3+ 6 c 0. 0. 0.15227(2) 0.31(2) 0 d Fe3 Fe3+ 6 c 0. 0. 0.06522(2) 1. 0 d Fe4 Fe3+ 3 b 0. 0. 0.5 1. 0 d Fe5 Fe3+ 18 h 0.50317(5) 0.49683(5) 0.19073(1) 1. 0 d Fe6 Fe3+ 3 a 0. 0. 0. 1. 0 d O1 O2- 6 c 0. 0. 0.41973(12) 1. 0 d O2 O2- 6 c 0. 0. 0.19738(12) 1. 0 d O3 O2- 18 h 0.15727(30) 0.84273(30) 0.02884(7) 1. 0 d O4 O2- 18 h 0.82936(27) 0.17064(27) 0.08511(7) 1. 0 d O5 O2- 18 h 0.17998(26) 0.82002(26) 0.13754(6) 1. 0 d loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_22 _atom_site_aniso_U_23 _atom_site_aniso_U_33 Ba1 0.0116(2) 0.0058(1) 0. 0.0116(2) 0. 0.0095(2) Zn1 0.0087(2) 0.0043(1) 0. 0.0087(2) 0. 0.0071(4) Fe1 0.0087(2) 0.0043(1) 0. 0.0087(2) 0. 0.0071(4) Zn2 0.0084(2) 0.0042(1) 0. 0.0084(2) 0. 0.0091(4) Fe2 0.0084(2) 0.0042(1) 0. 0.0084(2) 0. 0.0091(4) Fe3 0.0095(3) 0.0047(2) 0. 0.0095(3) 0. 0.0084(4) Fe4 0.0077(3) 0.0038(2) 0. 0.0077(3) 0. 0.0073(5) Fe5 0.0090(2) 0.0050(2) .00(1) 0.0090(2) .00(1) 0.0079(3) Fe6 0.0096(3) 0.0048(2) 0. 0.0096(3) 0. 0.0062(5) O1 0.0087(10) 0.0043(5) 0. 0.0087(10) 0. 0.0110(17) O2 0.006(1) 0.0030(5) 0. 0.006(1) 0. 0.0133(18) O3 0.0138(8) 0.0060(9) -0.0033(4) 0.0138(8) 0.0033(4) 0.0119(11) O4 0.0120(8) 0.0049(8) -0.0001(4) 0.0120(8) 0.0001(4) 0.0083(9) O5 0.0094(7) 0.0042(8) -0.0003(4) 0.0094(7) 0.0003(4) 0.0086(9) _refine_ls_R_factor_all 0.029