data_global _chemical_name_mineral 'Nadorite' loop_ _publ_author_name 'Giuseppetti G' 'Tadini C' _journal_name_full 'Periodico di Mineralogia' _journal_volume 42 _journal_year 1973 _journal_page_first 335 _journal_page_last 345 _publ_section_title ; Riesame della struttura cristallina della nadorite: PbSbO2Cl ; _database_code_amcsd 0014937 _chemical_compound_source 'Djebel Nador, Algeria' _chemical_formula_sum 'Pb Sb O2 Cl' _cell_length_a 5.603 _cell_length_b 12.245 _cell_length_c 5.448 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 373.780 _exptl_crystal_density_diffrn 7.044 _symmetry_space_group_name_H-M 'C m c m' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-z' '-x,y,z' '1/2-x,1/2+y,z' 'x,-y,-z' '1/2+x,1/2-y,-z' 'x,y,1/2-z' '1/2+x,1/2+y,1/2-z' '-x,-y,1/2+z' '1/2-x,1/2-y,1/2+z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Pb 0.00000 0.38120 0.25000 Sb 0.00000 0.07950 0.25000 O 0.21830 0.00000 0.00000 Cl 0.00000 0.74580 0.25000 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Pb 0.01288 0.01595 0.01383 0.00000 0.00000 0.00000 Sb 0.01288 0.01215 0.01383 0.00000 0.00000 0.00000 O 0.00811 0.00912 0.01203 0.00000 0.00000 0.00372 Cl 0.02115 0.02431 0.02451 0.00000 0.00000 0.00000