#------------------------------------------------------------------------------ #$Date: 2016-01-03 11:59:10 +0200 (Sun, 03 Jan 2016) $ #$Revision: 172640 $ #$URL: file:///home/coder/svn-repositories/cod/cif/8/10/43/8104340.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_8104340 loop_ _publ_author_name 'Ohmann, S.' 'Abs-Wurmbach, I.' 'Stuesser, N.' 'Westerholt, K.' 'Sabine, T.M.' _publ_section_title ; The magnetic structure of braunite Mn2+ (Mn3+)6 O8 / Si O4 ; _journal_name_full 'Zeitschrift fuer Kristallographie (149,1979-)' _journal_page_first 19 _journal_page_last 27 _journal_volume 213 _journal_year 1998 _chemical_formula_sum 'Mn7 O12 Si' _chemical_name_systematic 'Mn7 O8 (Si O4)' _space_group_IT_number 142 _symmetry_space_group_name_Hall '-I 4bd 2c' _symmetry_space_group_name_H-M 'I 41/a c d :2' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 8 _cell_length_a 9.367 _cell_length_b 9.367 _cell_length_c 18.58269 _cell_volume 1630.458 _citation_journal_id_ASTM ZEKRDZ _cod_data_source_file Ohmann_ZEKRDZ_1998_1829.cif _cod_data_source_block Mn7O12Si1 _cod_chemical_formula_sum_orig 'Mn7 O12 Si1' _cod_database_code 8104340 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y+1/4,x+3/4,z+1/4 -x+1/2,-y,z+1/2 y+1/4,-x+1/4,z+3/4 x,-y,-z+1/2 y+1/4,x+3/4,-z+3/4 -x+1/2,y,-z -y+1/4,-x+1/4,-z+1/4 -x,-y,-z y-1/4,-x-3/4,-z-1/4 x-1/2,y,-z-1/2 -y-1/4,x-1/4,-z-3/4 -x,y,z-1/2 -y-1/4,-x-3/4,z-3/4 x-1/2,-y,z y-1/4,x-1/4,z-1/4 x+1/2,y+1/2,z+1/2 -y+3/4,x+5/4,z+3/4 -x+1,-y+1/2,z+1 y+3/4,-x+3/4,z+5/4 x+1/2,-y+1/2,-z+1 y+3/4,x+5/4,-z+5/4 -x+1,y+1/2,-z+1/2 -y+3/4,-x+3/4,-z+3/4 -x+1/2,-y+1/2,-z+1/2 y+1/4,-x-1/4,-z+1/4 x,y+1/2,-z -y+1/4,x+1/4,-z-1/4 -x+1/2,y+1/2,z -y+1/4,-x-1/4,z-1/4 x,-y+1/2,z+1/2 y+1/4,x+1/4,z+1/4 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 O2 O-2 0.1459 0.0744 0.0554 1 0.0 Si1 Si+4 0 0.25 0.375 1 0.0 Mn4 Mn+3 0.2318 0.4818 0.125 1 0.0 O1 O-2 0.1522 0.8537 0.9455 1 0.0 Mn1 Mn+2 0 0.25 0.125 1 0.0 Mn2 Mn+3 0 0 0 1 0.0 Mn3 Mn+3 0.0338 0 0.25 1 0.0 O3 O-2 0.0798 0.1363 0.9252 1 0.0