#------------------------------------------------------------------------------ #$Date: 2013-05-09 16:53:25 +0300 (Thu, 09 May 2013) $ #$Revision: 86000 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/01/65/9016581.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_9016581 loop_ _publ_author_name 'Hawthorne, F. C.' _publ_section_title ; The hydrogen positions in scorodite ; _journal_name_full 'Acta Crystallographica, Section B' _journal_page_first 2891 _journal_page_last 2892 _journal_volume 32 _journal_year 1976 _chemical_compound_source 'not given' _chemical_formula_sum 'As Fe H4 O6' _chemical_name_mineral Scorodite _space_group_IT_number 61 _symmetry_space_group_name_Hall '-P 2bc 2ac' _symmetry_space_group_name_H-M 'P c a b' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 8.937 _cell_length_b 10.278 _cell_length_c 9.996 _cell_volume 918.177 _database_code_amcsd 0018660 _exptl_crystal_density_diffrn 3.339 _[local]_cod_chemical_formula_sum_orig 'Fe As O6 H4' _cod_database_code 9016581 loop_ _space_group_symop_operation_xyz x,y,z x,1/2+y,1/2-z -x,1/2-y,1/2+z 1/2-x,y,1/2+z 1/2+x,-y,1/2-z 1/2+x,1/2-y,z 1/2-x,1/2+y,-z -x,-y,-z loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Fe 0.02104 0.01873 0.02075 0.00047 0.00091 0.00052 As 0.01821 0.01713 0.01873 0.00000 0.00045 0.00052 O1 0.02590 0.01820 0.02531 -0.00140 0.00091 0.00312 O2 0.02671 0.02034 0.02278 -0.00093 0.00724 0.00000 O3 0.01821 0.03318 0.02582 -0.00512 -0.00362 0.00156 O4 0.02185 0.02783 0.02075 0.00140 -0.00091 0.00104 OW1 0.03277 0.03211 0.02430 0.00233 -0.00091 0.00520 OW2 0.02145 0.02355 0.03037 0.00000 -0.00362 -0.00052 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Fe 0.14680 0.12690 0.18230 0.02014 As 0.46460 0.15160 0.36360 0.01798 O1 0.49550 0.30120 0.30440 0.02318 O2 0.58310 0.05080 0.28300 0.02318 O3 0.28590 0.11020 0.33290 0.02558 O4 0.49510 0.14260 0.52930 0.02330 OW1 0.32820 0.55430 0.43050 0.02976 OW2 0.22770 0.80060 0.38360 0.02508 H1 0.37700 0.47600 0.39700 0.01900 H2 0.30100 0.53400 0.50100 0.01900 H3 0.15700 0.85400 0.29700 0.01900 H4 0.31000 0.81000 0.41800 0.01900