#------------------------------------------------------------------------------ #$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $ #$Revision: 176429 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/52/07/1520786.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_1520786 loop_ _publ_author_name 'Appel, P.W.U.' 'Brigatti, M.F.' _publ_section_title ; Ludwigite from central Sweden: new data and crystal structure refinement ; _journal_name_full 'Mineralogical Magazine (1969-)' _journal_page_first 511 _journal_page_last 518 _journal_volume 63 _journal_year 1999 _chemical_formula_sum 'Al0.093 B Fe0.967 Mg1.93 O5' _chemical_name_systematic '(Mg1.93 Fe0.967 Al0.093) O2 (B O3)' _space_group_IT_number 55 _symmetry_space_group_name_Hall '-P 2 2ab' _symmetry_space_group_name_H-M 'P b a m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 9.254 _cell_length_b 12.287 _cell_length_c 3.004 _cell_volume 341.567 _citation_journal_id_ASTM MNLMBB _cod_data_source_file Appel_MNLMBB_1999_487.cif _cod_data_source_block Al0.093B1Fe0.967Mg1.93O5 _cod_original_cell_volume 341.5665 _cod_original_formula_sum 'Al0.093 B1 Fe0.967 Mg1.93 O5' _cod_database_code 1520786 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z x+1/2,-y+1/2,-z -x+1/2,y+1/2,-z -x,-y,-z x,y,-z -x-1/2,y-1/2,z x-1/2,-y-1/2,z loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Fe2 Fe+2 0.0015 0.28077 0.5 0.002 0.0 O5 O-2 0.3496 0.2624 0 1 0.0 Fe5 Fe+2 0.23873 0.11554 0 0.001 0.0 O3 O-2 0.1245 0.3578 0 1 0.0 Fe4 Fe+3 0.5 0 0 0.196 0.0 Fe3 Fe+2 0.5 0 0 0.05 0.0 O4 O-2 0.3826 0.0765 0.5 1 0.0 Fe6 Fe+3 0.23873 0.11554 0 0.839 0.0 Al1 Al+3 0.23873 0.11554 0 0.093 0.0 Mg2 Mg+2 0.0015 0.28077 0.5 0.997 0.0 Mg3 Mg+2 0.5 0 0 0.752 0.0 Mg1 Mg+2 0 0 0.5 0.996 0.0 O1 O-2 0.3498 0.4572 0 1 0.0 B1 B+3 0.2733 0.3598 0 1 0.0 Mg4 Mg+2 0.23873 0.11554 0 0.059 0.0 Fe1 Fe+2 0 0 0.5 0.004 0.0 O2 O-2 0.1089 0.143 0.5 1 0.0