data_global _chemical_name_mineral 'Telluroperite' loop_ _publ_author_name 'Kampf A R' 'Mills S J' 'Housley R M' 'Marty J' 'Thorne B' _journal_name_full 'American Mineralogist' _journal_volume 95 _journal_year 2010 _journal_page_first 1569 _journal_page_last 1573 _publ_section_title ; Lead-tellurium oxysalts from Otto Mountain near Baker, California: VI. Telluroperite, Pb3Te4+O4Cl2, the Te analog of perite and nadorite ; _database_code_amcsd 0017747 _chemical_compound_source 'Otto Mountain, Baker, California' _chemical_formula_sum 'Pb1.5 Te.5 O2 Cl' _cell_length_a 5.5649 _cell_length_b 5.5565 _cell_length_c 12.4750 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 385.744 _exptl_crystal_density_diffrn 7.612 _symmetry_space_group_name_H-M 'B m m b' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,y,1/2+z' 'x,1/2+y,-z' '1/2+x,1/2+y,1/2-z' '-x,1/2-y,z' '1/2-x,1/2-y,1/2+z' '-x,y,z' '1/2-x,y,1/2+z' 'x,-y,-z' '1/2+x,-y,1/2-z' 'x,1/2-y,z' '1/2+x,1/2-y,1/2+z' '-x,1/2+y,-z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' '1/2-x,-y,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Pb1 0.00000 0.25000 0.38920 1.00000 0.02100 Pb2 0.00000 0.25000 0.09610 0.50000 0.02500 Te2 0.00000 0.25000 0.09610 0.50000 0.02500 O 0.76300 0.00000 0.00000 1.00000 0.01800 Cl 0.00000 0.25000 0.74730 1.00000 0.01300 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 Pb1 0.01600 0.01800 0.02800 0.00000 0.00000 0.00000 Pb2 0.01300 0.01000 0.05200 0.00000 0.00000 0.00000 Te2 0.01300 0.01000 0.05200 0.00000 0.00000 0.00000 O 0.01600 0.02100 0.01800 0.00000 0.00000 -0.00100 Cl 0.01900 0.01800 0.00000 0.00000 0.00000 0.00000