#------------------------------------------------------------------------------ #$Date: 2013-05-05 17:21:46 +0300 (Sun, 05 May 2013) $ #$Revision: 85285 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/36/9003662.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_9003662 loop_ _publ_author_name 'Ventruti, G.' 'Scordari, F.' 'Schingaro, E.' 'Gualtieri, A. F.' 'Meneghini, C.' _publ_section_title ;The order-disorder character of FeOHSO4 obtained from the thermal decomposition of metahohmannite, Fe3+2(H2O)4[O(SO4)2] Sample: T = 220 C Note: this is the MDO2 polytype, a maximally ordered member of a family of OD structures ; _journal_name_full 'American Mineralogist' _journal_page_first 679 _journal_page_last 686 _journal_volume 90 _journal_year 2005 _chemical_formula_structural FeOHSO4 _chemical_formula_sum 'Fe O5 S' _space_group_IT_number 14 _symmetry_space_group_name_Hall '-P 2ybc' _symmetry_space_group_name_H-M 'P 1 21/c 1' _cell_angle_alpha 90 _cell_angle_beta 119.7 _cell_angle_gamma 90 _cell_length_a 7.33 _cell_length_b 7.14 _cell_length_c 7.39 _cell_volume 335.956 _diffrn_ambient_temperature 493.15 _exptl_crystal_density_diffrn 3.320 _[local]_cod_chemical_formula_sum_orig 'Fe S O5' _cod_database_code 9003662 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,1/2-y,1/2+z -x,1/2+y,1/2-z -x,-y,-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Fe1 0.00000 0.00000 0.00000 Fe2 0.50000 0.50000 0.50000 S 0.25000 0.61600 0.00000 O1 0.34150 0.50000 0.18300 O2 0.91600 0.27000 0.00000 O3 0.58400 0.27000 0.00000 O4 0.25000 0.10000 0.00000 O5 0.84150 0.00000 0.68300