#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9007201.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_9007201 loop_ _publ_author_name 'Martignago F' 'Dal Negro A' 'Carbonin S' _publ_section_title ; How Cr3+ and Fe3+ affect Mg-Al order-disorder transformation at high temperature in natural spinels Sample: M-Cr, 2nd run, T = 500 C ; _journal_name_full 'Physics and Chemistry of Minerals' _journal_page_first 401 _journal_page_last 408 _journal_volume 30 _journal_year 2003 _chemical_formula_sum 'Al1.868 Cr0.123 Mg0.999 Mn0.002 O4 Zn0.007' _chemical_name_mineral Spinel _space_group_IT_number 227 _symmetry_space_group_name_Hall '-F 4vw 2vw 3' _symmetry_space_group_name_H-M 'F d -3 m :2' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 8.1338 _cell_length_b 8.1338 _cell_length_c 8.1338 _cell_volume 538.122 _diffrn_ambient_temperature 773.15 _[local]_cod_cif_authors_sg_H-M 'F d 3 m' _[local]_cod_chemical_formula_sum_orig 'Al1.868 Mg.999 Cr.123 Mn.002 Zn.007 O4' loop_ _symmetry_equiv_pos_as_xyz x,y,z x,1/2+y,1/2+z 1/2+x,y,1/2+z 1/2+x,1/2+y,z 3/4+z,1/2-x,1/4+y 3/4+z,-x,3/4+y 1/4+z,1/2-x,3/4+y 1/4+z,-x,1/4+y 3/4-y,1/2+z,1/4-x 3/4-y,+z,3/4-x 1/4-y,1/2+z,3/4-x 1/4-y,+z,1/4-x 3/4+x,1/2-y,1/4+z 3/4+x,-y,3/4+z 1/4+x,1/2-y,3/4+z 1/4+x,-y,1/4+z 3/4-z,1/2+x,1/4-y 3/4-z,+x,3/4-y 1/4-z,1/2+x,3/4-y 1/4-z,+x,1/4-y 3/4+y,1/2-z,1/4+x 3/4+y,-z,3/4+x 1/4+y,1/2-z,3/4+x 1/4+y,-z,1/4+x 3/4-x,1/2+y,1/4-z 3/4-x,+y,3/4-z 1/4-x,1/2+y,3/4-z 1/4-x,+y,1/4-z 1/2+x,3/4-z,1/4-y 1/2+x,1/4-z,3/4-y +x,3/4-z,3/4-y +x,1/4-z,1/4-y 1/2-z,3/4+y,1/4+x 1/2-z,1/4+y,3/4+x -z,3/4+y,3/4+x -z,1/4+y,1/4+x 1/2+y,3/4-x,1/4-z 1/2+y,1/4-x,3/4-z +y,3/4-x,3/4-z +y,1/4-x,1/4-z 1/2-x,3/4+z,1/4+y 1/2-x,1/4+z,3/4+y -x,3/4+z,3/4+y -x,1/4+z,1/4+y 1/2+z,3/4-y,1/4-x 1/2+z,1/4-y,3/4-x +z,3/4-y,3/4-x +z,1/4-y,1/4-x 1/2-y,3/4+x,1/4+z 1/2-y,1/4+x,3/4+z -y,3/4+x,3/4+z -y,1/4+x,1/4+z x,1/2+z,1/2+y x,+z,+y 1/2+x,1/2+z,+y 1/2+x,+z,1/2+y -z,1/2-y,1/2-x -z,-y,-x 1/2-z,1/2-y,-x 1/2-z,-y,1/2-x y,1/2+x,1/2+z y,+x,+z 1/2+y,1/2+x,+z 1/2+y,+x,1/2+z -x,1/2-z,1/2-y -x,-z,-y 1/2-x,1/2-z,-y 1/2-x,-z,1/2-y z,1/2+y,1/2+x z,+y,+x 1/2+z,1/2+y,+x 1/2+z,+y,1/2+x -y,1/2-x,1/2-z -y,-x,-z 1/2-y,1/2-x,-z 1/2-y,-x,1/2-z 3/4+z,1/4+x,1/2-y 3/4+z,3/4+x,-y 1/4+z,1/4+x,-y 1/4+z,3/4+x,1/2-y 3/4-y,1/4-z,1/2+x 3/4-y,3/4-z,+x 1/4-y,1/4-z,+x 1/4-y,3/4-z,1/2+x 3/4+x,1/4+y,1/2-z 3/4+x,3/4+y,-z 1/4+x,1/4+y,-z 1/4+x,3/4+y,1/2-z 3/4-z,1/4-x,1/2+y 3/4-z,3/4-x,+y 1/4-z,1/4-x,+y 1/4-z,3/4-x,1/2+y 3/4+y,1/4+z,1/2-x 3/4+y,3/4+z,-x 1/4+y,1/4+z,-x 1/4+y,3/4+z,1/2-x 3/4-x,1/4-y,1/2+z 3/4-x,3/4-y,+z 1/4-x,1/4-y,+z 1/4-x,3/4-y,1/2+z -z,3/4+x,3/4+y -z,1/4+x,1/4+y 1/2-z,3/4+x,1/4+y 1/2-z,1/4+x,3/4+y y,3/4-z,3/4-x y,1/4-z,1/4-x 1/2+y,3/4-z,1/4-x 1/2+y,1/4-z,3/4-x -x,3/4+y,3/4+z -x,1/4+y,1/4+z 1/2-x,3/4+y,1/4+z 1/2-x,1/4+y,3/4+z z,3/4-x,3/4-y z,1/4-x,1/4-y 1/2+z,3/4-x,1/4-y 1/2+z,1/4-x,3/4-y -y,3/4+z,3/4+x -y,1/4+z,1/4+x 1/2-y,3/4+z,1/4+x 1/2-y,1/4+z,3/4+x x,3/4-y,3/4-z x,1/4-y,1/4-z 1/2+x,3/4-y,1/4-z 1/2+x,1/4-y,3/4-z 1/4-x,1/2+z,3/4-y 1/4-x,+z,1/4-y 3/4-x,1/2+z,1/4-y 3/4-x,+z,3/4-y 1/4+z,1/2-y,3/4+x 1/4+z,-y,1/4+x 3/4+z,1/2-y,1/4+x 3/4+z,-y,3/4+x 1/4-y,1/2+x,3/4-z 1/4-y,+x,1/4-z 3/4-y,1/2+x,1/4-z 3/4-y,+x,3/4-z 1/4+x,1/2-z,3/4+y 1/4+x,-z,1/4+y 3/4+x,1/2-z,1/4+y 3/4+x,-z,3/4+y 1/4-z,1/2+y,3/4-x 1/4-z,+y,1/4-x 3/4-z,1/2+y,1/4-x 3/4-z,+y,3/4-x 1/4+y,1/2-x,3/4+z 1/4+y,-x,1/4+z 3/4+y,1/2-x,1/4+z 3/4+y,-x,3/4+z 3/4-x,3/4-z,y 3/4-x,1/4-z,1/2+y 1/4-x,3/4-z,1/2+y 1/4-x,1/4-z,y 3/4+z,3/4+y,-x 3/4+z,1/4+y,1/2-x 1/4+z,3/4+y,1/2-x 1/4+z,1/4+y,-x 3/4-y,3/4-x,z 3/4-y,1/4-x,1/2+z 1/4-y,3/4-x,1/2+z 1/4-y,1/4-x,z 3/4+x,3/4+z,-y 3/4+x,1/4+z,1/2-y 1/4+x,3/4+z,1/2-y 1/4+x,1/4+z,-y 3/4-z,3/4-y,x 3/4-z,1/4-y,1/2+x 1/4-z,3/4-y,1/2+x 1/4-z,1/4-y,x 3/4+y,3/4+x,-z 3/4+y,1/4+x,1/2-z 1/4+y,3/4+x,1/2-z 1/4+y,1/4+x,-z -z,-x,-y -z,1/2-x,1/2-y 1/2-z,-x,1/2-y 1/2-z,1/2-x,-y y,z,x y,1/2+z,1/2+x 1/2+y,z,1/2+x 1/2+y,1/2+z,x -x,-y,-z -x,1/2-y,1/2-z 1/2-x,-y,1/2-z 1/2-x,1/2-y,-z z,x,y z,1/2+x,1/2+y 1/2+z,x,1/2+y 1/2+z,1/2+x,y -y,-z,-x -y,1/2-z,1/2-x 1/2-y,-z,1/2-x 1/2-y,1/2-z,-x loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv AlT 0.12500 0.12500 0.12500 0.11700 0.01130 MgT 0.12500 0.12500 0.12500 0.88300 0.01130 AlM 0.50000 0.50000 0.50000 0.87550 0.01000 MgM 0.50000 0.50000 0.50000 0.05800 0.01000 CrM 0.50000 0.50000 0.50000 0.06150 0.01000 MnM 0.50000 0.50000 0.50000 0.00100 0.01000 ZnM 0.50000 0.50000 0.50000 0.00350 0.01000 O 0.26343 0.26343 0.26343 1.00000 0.01080 _cod_database_code 9007201