data_global _chemical_name_mineral 'Corderoite' loop_ _publ_author_name 'Frueh A J' 'Gray N' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 24 _journal_year 1968 _journal_page_first 156 _journal_page_last 157 _publ_section_title ; Confirmation and refinement of the structure of Hg3S2Cl2 ; _database_code_amcsd 0009337 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Hg3 S2 Cl2' _cell_length_a 8.949 _cell_length_b 8.949 _cell_length_c 8.949 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 716.677 _exptl_crystal_density_diffrn 6.829 _symmetry_space_group_name_H-M 'I 21 3' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' '1/2-z,-x,1/2+y' '-z,1/2-x,+y' '-z,1/2+x,1/2-y' '1/2-z,+x,-y' '1/2+z,1/2-x,-y' '+z,-x,1/2-y' 'z,x,y' '1/2+z,1/2+x,1/2+y' '1/2+y,1/2-z,-x' '+y,-z,1/2-x' '1/2-y,-z,1/2+x' '-y,1/2-z,+x' '-y,1/2+z,1/2-x' '1/2-y,+z,-x' 'y,z,x' '1/2+y,1/2+z,1/2+x' '-x,1/2+y,1/2-z' '1/2-x,+y,-z' '1/2+x,1/2-y,-z' '+x,-y,1/2-z' '1/2-x,-y,1/2+z' '-x,1/2-y,+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Hg 0.30290 0.00000 0.25000 0.03470 S 0.27090 0.27090 0.27090 0.01900 Cl 0.01070 0.01070 0.01070 0.02280