#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9003336.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_9003336 loop_ _publ_author_name 'Redhammer G J' 'Tippelt G' 'Roth G' 'Amthauer G' _publ_section_title ; Structural variations in the brownmillerite series Ca2(Fe2-xAlx)O5: Single-crystal X-ray diffraction at 25 deg C and high temperature X-ray powder diffraction (25 C <= T <= 1000 C) Sample: bx000_1 ; _journal_name_full 'American Mineralogist' _journal_page_first 405 _journal_page_last 420 _journal_volume 89 _journal_year 2004 _chemical_formula_sum 'Ca2 Fe2 O5' _chemical_name_mineral Brownmillerite _symmetry_space_group_name_H-M 'P n m a' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 5.4268 _cell_length_b 14.7631 _cell_length_c 5.5969 _cell_volume 448.403 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,1/2-y,z -x,1/2+y,-z 1/2-x,1/2+y,1/2+z 1/2+x,1/2-y,1/2-z 1/2+x,y,1/2-z 1/2-x,-y,1/2+z -x,-y,-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Ca 0.48080 0.10798 0.02270 0.00730 FeM 0.00000 0.00000 0.00000 0.00490 FeT 0.94610 0.25000 0.93403 0.00460 O1 0.26280 0.98430 0.23700 0.00700 O2 0.02400 0.14060 0.07350 0.00870 O3 0.59910 0.25000 0.87410 0.00740 _cod_database_code 9003336