data_global _chemical_name_mineral 'Dugganite' loop_ _publ_author_name 'Lam A E' 'Groat L A' 'Ercit T S' _journal_name_full 'The Canadian Mineralogist' _journal_volume 36 _journal_year 1998 _journal_page_first 823 _journal_page_last 830 _publ_section_title ; The crystal structure of dugganite, Pb3Zn3TeAs2O14 ; _database_code_amcsd 0005548 _chemical_compound_source 'Empire mine, Tombstone, Arizona, USA' _chemical_formula_sum 'Te As2 Pb3 Zn3 O14' _cell_length_a 8.460 _cell_length_b 8.460 _cell_length_c 5.206 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 322.683 _exptl_crystal_density_diffrn 6.789 _symmetry_space_group_name_H-M 'P 3 2 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'y,x,-z' '-y,x-y,z' '-x,-x+y,-z' '-x+y,-x,z' 'x-y,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Te 0.00000 0.00000 0.00000 As 0.33333 0.66667 0.52940 Pb 0.59472 0.00000 0.00000 Zn 0.24660 0.00000 0.50000 O1 0.12200 0.21200 0.21700 O2 0.46700 0.20000 0.33900 O3 0.33333 0.66667 0.23900 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 Te 0.03050 0.03050 0.01580 0.01530 0.00000 0.00000 As 0.02370 0.02370 0.03690 0.01190 0.00000 0.00000 Pb 0.03590 0.03800 0.03030 0.01900 0.00100 0.00200 Zn 0.03430 0.02860 0.02480 0.01430 -0.00070 -0.00140 O1 0.03250 0.03630 0.02470 0.01090 0.00430 -0.00500 O2 0.05020 0.06710 0.03980 0.00480 0.01780 -0.00770 O3 0.04070 0.04070 0.06680 0.02030 0.00000 0.00000