#------------------------------------------------------------------------------ #$Date$ #$Revision$ #$URL$ #------------------------------------------------------------------------------ # # 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_9010965 loop_ _publ_author_name 'Mori, H.' 'Ito, T.' _publ_section_title ; The structure of vivianite and symplesite Locality: Kiura, Japan ; _journal_name_full 'Acta Crystallographica' _journal_page_first 1 _journal_page_last 6 _journal_volume 3 _journal_year 1950 _chemical_formula_sum 'As2 Fe3 H16 O16' _chemical_name_mineral Parasymplesite _space_group_IT_number 12 _symmetry_space_group_name_Hall '-C 2y' _symmetry_space_group_name_H-M 'C 1 2/m 1' _cell_angle_alpha 90 _cell_angle_beta 103.83 _cell_angle_gamma 90 _cell_length_a 10.25 _cell_length_b 13.48 _cell_length_c 4.71 _cell_volume 631.914 _[local]_cod_data_source_file 08450.cif _[local]_cod_data_source_block global _[local]_cod_chemical_formula_sum_orig 'Fe3 As2 O16 H16' loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2+y,z x,-y,z 1/2+x,1/2-y,z -x,y,-z 1/2-x,1/2+y,-z -x,-y,-z 1/2-x,1/2-y,-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z FeI 0.00000 0.00000 0.00000 FeII 0.00000 0.39000 0.00000 As 0.31500 0.00000 0.41000 OI 0.15500 0.00000 0.35000 OII 0.40000 0.00000 0.75000 OIII 0.36500 0.10000 0.24500 WatI 0.08500 0.11000 0.82000 WatII 0.40000 0.22000 0.75000