#------------------------------------------------------------------------------ #$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $ #$Revision: 14 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9007285.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_9007285 _chemical_name 'Hydronium jarosite' loop_ _publ_author_name 'Majzlan J' 'Stevens R' 'Boerio-Goates J' 'Woodfield B F' 'Navrotsky A' 'Burns P C' 'Crawford M K' 'Amos T G' _journal_name_full "Physics and Chemistry of Minerals" _journal_volume 31 _journal_year 2004 _journal_page_first 518 _journal_page_last 531 _publ_section_title ; Thermodynamic properties, low-temperature heat-capacity anomalies, and single-crystal X-ray refinement of hydronium jarosite, (H3O)Fe3(SO4)2(OH)6 Note: Rietveld refinement of synchrotron X-ray diffraction pattern ; _chemical_formula_sum 'S2 Fe3 O15' _cell_length_a 7.3499 _cell_length_b 7.3499 _cell_length_c 17.0104 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 795.807 _symmetry_space_group_name_H-M 'R -3 m' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '2/3+x,1/3+y,1/3+z' '1/3+x,2/3+y,2/3+z' 'x,x-y,z' '2/3+x,1/3+x-y,1/3+z' '1/3+x,2/3+x-y,2/3+z' 'y,x,-z' '2/3+y,1/3+x,1/3-z' '1/3+y,2/3+x,2/3-z' '-x+y,y,z' '2/3-x+y,1/3+y,1/3+z' '1/3-x+y,2/3+y,2/3+z' '-x,-x+y,-z' '2/3-x,1/3-x+y,1/3-z' '1/3-x,2/3-x+y,2/3-z' '-y,-x,z' '2/3-y,1/3-x,1/3+z' '1/3-y,2/3-x,2/3+z' 'x-y,-y,-z' '2/3+x-y,1/3-y,1/3-z' '1/3+x-y,2/3-y,2/3-z' 'y,-x+y,-z' '2/3+y,1/3-x+y,1/3-z' '1/3+y,2/3-x+y,2/3-z' '-x+y,-x,z' '2/3-x+y,1/3-x,1/3+z' '1/3-x+y,2/3-x,2/3+z' '-x,-y,-z' '2/3-x,1/3-y,1/3-z' '1/3-x,2/3-y,2/3-z' '-y,x-y,z' '2/3-y,1/3+x-y,1/3+z' '1/3-y,2/3+x-y,2/3+z' 'x-y,x,-z' '2/3+x-y,1/3+x,1/3-z' '1/3+x-y,2/3+x,2/3-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z S 0.00000 0.00000 0.30850 Fe 0.16667 -0.16667 -0.16667 O1 0.00000 0.00000 0.39330 O2 0.22160 -0.22160 -0.05660 O3 0.12510 -0.12510 0.13600 O4 0.00000 0.00000 0.00000