data_global _chemical_name_mineral 'Zinkosite' loop_ _publ_author_name 'Kokkoros P A' 'Rentzeperis P J' _journal_name_full 'Acta Crystallographica' _journal_volume 11 _journal_year 1958 _journal_page_first 361 _journal_page_last 364 _publ_section_title ; The crystal structure of the anhydrous sulphates of copper and zinc ; _database_code_amcsd 0009208 _chemical_formula_sum 'Zn S O4' _cell_length_a 8.58 _cell_length_b 6.73 _cell_length_c 4.77 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 275.436 _exptl_crystal_density_diffrn 3.893 _symmetry_space_group_name_H-M 'P n m a' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,z' '-x,1/2+y,-z' '1/2-x,1/2+y,1/2+z' '1/2+x,1/2-y,1/2-z' '1/2+x,y,1/2-z' '1/2-x,-y,1/2+z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Zn 0.00000 0.00000 0.00000 S 0.18600 0.25000 0.45800 O1 0.13000 0.25000 0.75000 O2 0.36700 0.25000 0.45800 O3 0.13000 0.07200 0.31900