#------------------------------------------------------------------------------ #$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $ #$Revision: 14 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9002368.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_9002368 _chemical_name 'Wadsleyite' loop_ _publ_author_name 'Hazen R M' 'Yang H' 'Prewitt C T' _journal_name_full "American Mineralogist" _journal_volume 85 _journal_year 2000 _journal_page_first 778 _journal_page_last 783 _publ_section_title ; High-pressure crystal chemistry of Fe3+-wadsleyite, beta-Fe2.33Si0.67O4 Pressure = 1.95 GPa ; _chemical_formula_sum 'Fe2.33 Si.67 O4' _cell_length_a 5.8286 _cell_length_b 11.8205 _cell_length_c 8.3481 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 575.159 _symmetry_space_group_name_H-M 'I m m a' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' 'x,1/2-y,z' '1/2+x,-y,1/2+z' '-x,1/2+y,-z' '1/2-x,+y,1/2-z' '-x,y,z' '1/2-x,1/2+y,1/2+z' 'x,-y,-z' '1/2+x,1/2-y,1/2-z' 'x,1/2+y,-z' '1/2+x,+y,1/2-z' '-x,1/2-y,z' '1/2-x,-y,1/2+z' '-x,-y,-z' '1/2-x,1/2-y,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_Uiso_or_equiv Fe1 0.00000 0.00000 0.00000 1.00000 0.00861 Fe2 0.00000 0.25000 0.96990 1.00000 0.00583 Fe3 0.25000 0.12450 0.25000 1.00000 0.00861 SiT 0.00000 0.12020 0.61840 0.67000 0.00570 FeT 0.00000 0.12020 0.61840 0.33000 0.00570 O1 0.00000 0.25000 0.22590 1.00000 0.01140 O2 0.00000 0.25000 0.72080 1.00000 0.02026 O3 0.00000 0.99260 0.25450 1.00000 0.01393 O4 0.25780 0.12250 0.99920 1.00000 0.01267