data_9000737 _chemical_name 'Versiliaite' loop_ _publ_author_name 'Mellini M' 'Merlino S' _journal_name_full "American Mineralogist" _journal_volume 64 _journal_year 1979 _journal_page_first 1235 _journal_page_last 1242 _publ_section_title ; Versiliaite and apuanite: Derivative structures related to schafarzikite ; _chemical_formula_sum 'Fe5 Sb5.9 Zn.5 As.6 S.8 O16' _cell_length_a 8.492 _cell_length_b 8.326 _cell_length_c 11.938 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 844.069 _symmetry_space_group_name_H-M 'P b a m' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2-y,z' '1/2-x,1/2+y,-z' '1/2-x,1/2+y,z' '1/2+x,1/2-y,-z' 'x,y,-z' '-x,-y,z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Fe(1) 0.30840 0.31930 0.00000 0.75000 Sb(1) 0.30840 0.31930 0.00000 0.25000 Fe(2) 0.00000 0.50000 0.37520 1.00000 Fe(3) 0.00000 0.50000 0.12390 0.75000 Zn(3) 0.00000 0.50000 0.12390 0.25000 Sb(1) 0.17110 0.16710 0.24500 0.90000 As(1) 0.17110 0.16710 0.24500 0.10000 Sb(2) 0.33030 0.32920 0.50000 0.90000 As(2) 0.33030 0.32920 0.50000 0.10000 S 0.50000 0.50000 0.00000 0.80000 O(1) 0.36100 0.09930 0.50000 1.00000 O(2) 0.40030 0.13600 0.24380 1.00000 O(3) 0.32340 0.81760 0.37640 1.00000 O(4) 0.18550 0.34280 0.13570 1.00000 O(5) 0.60700 0.89150 0.00000 1.00000