#------------------------------------------------------------------------------ #$Date: 2024-05-29 15:00:33 +0100 (Wed, 29 May 2024) $ #$Revision: 292100 $ #$URL: svn://www.crystallography.net/cod/cif/9/01/78/9017811.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_9017811 loop_ _publ_author_name 'Antao, S.' _publ_section_title ; Crystal-structure analysis of four mineral samples of anhydrite, Ca(SO4), using synchrotron high-resolution powder X-ray diffraction data ; _journal_name_full 'Powder Diffraction' _journal_page_first 326 _journal_page_last 330 _journal_volume 26 _journal_year 2011 _chemical_formula_sum 'Ca O4 S' _chemical_name_mineral Anhydrite _space_group_IT_number 63 _space_group_name_Hall '-A 2a 2a' _space_group_name_H-M_alt 'A m m a' _symmetry_space_group_name_H-M 'A m m a' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 7.00136 _cell_length_b 6.99339 _cell_length_c 6.24171 _cell_formula_units_Z 4 _cell_volume 305.614 _database_code_amcsd 0020858 _exptl_crystal_density_diffrn 2.959 _cod_data_source_file inputs/fixed/downloads/19/19743.cif _cod_data_source_block 19743 _cod_original_formula_sum 'Ca S O4' _cod_database_code 9017811 loop_ _space_group_symop_operation_xyz x,y,z x,1/2+y,1/2+z 1/2+x,y,-z 1/2+x,1/2+y,1/2-z 1/2-x,-y,z 1/2-x,1/2-y,1/2+z x,-y,z x,1/2-y,1/2+z -x,y,-z -x,1/2+y,1/2-z 1/2-x,y,z 1/2-x,1/2+y,1/2+z 1/2+x,-y,-z 1/2+x,1/2-y,1/2-z -x,-y,-z -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_U_iso_or_equiv Ca 0.75000 0.00000 0.34631 0.00810 S 0.25000 0.00000 0.15510 0.00750 O1 0.25000 0.17210 0.01590 0.00880 O2 0.07980 0.00000 0.29760 0.00910 loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0020858