data_global _chemical_name_mineral 'Wurtzite-15R' loop_ _publ_author_name 'Frondel C' 'Palache C' _journal_name_full 'Science' _journal_volume 107 _journal_year 1948 _journal_page_first 602 _journal_page_last 602 _publ_section_title ; Three new polymorphs of zinc sulfide ; _database_code_amcsd 0015414 _chemical_formula_sum 'Zn5 S5' _cell_length_a 3.83 _cell_length_b 3.83 _cell_length_c 46.87999 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 595.546 _exptl_crystal_density_diffrn 4.076 _symmetry_space_group_name_H-M 'R 3 m' loop_ _space_group_symop_operation_xyz 'x,y,z' '2/3+x,1/3+y,1/3+z' '1/3+x,2/3+y,2/3+z' 'x,x-y,z' '2/3+x,1/3+x-y,1/3+z' '1/3+x,2/3+x-y,2/3+z' '-y,-x,z' '2/3-y,1/3-x,1/3+z' '1/3-y,2/3-x,2/3+z' '-x+y,y,z' '2/3-x+y,1/3+y,1/3+z' '1/3-x+y,2/3+y,2/3+z' '-y,x-y,z' '2/3-y,1/3+x-y,1/3+z' '1/3-y,2/3+x-y,2/3+z' '-x+y,-x,z' '2/3-x+y,1/3-x,1/3+z' '1/3-x+y,2/3-x,2/3+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Zn1 0.00000 0.00000 0.00000 Zn2 0.66667 0.33333 0.06667 Zn3 0.33333 0.66667 0.13333 Zn4 0.66667 0.33333 0.20000 Zn5 0.33333 0.66667 0.26667 S1 0.00000 0.00000 0.05000 S2 0.66667 0.33333 0.11667 S3 0.33333 0.66667 0.18333 S4 0.66667 0.33333 0.25000 S5 0.33333 0.66667 0.31667