data_global _amcsd_formula_title 'Pb7W8O(32-x)' loop_ _publ_author_name 'Moreau J M' 'Galez P' 'Peigneux J P' 'Korzhik M V' _journal_name_full 'Journal of Alloys and Compounds' _journal_volume 238 _journal_year 1996 _journal_page_first 46 _journal_page_last 48 _publ_section_title ; Structural characterization of PbWO4 and related new phase Pb7W8O(32-x) ; _database_code_amcsd 0012778 _chemical_formula_sum 'Pb.875 W O3.6' _cell_length_a 7.719 _cell_length_b 7.719 _cell_length_c 12.018 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 716.068 _exptl_crystal_density_diffrn 7.843 _symmetry_space_group_name_H-M 'P 4/n n c' loop_ _space_group_symop_operation_xyz 'x,y,z' '-y,-x,1/2+z' 'y,x,1/2-z' '1/2+y,-x,-z' '1/2-y,x,z' '1/2+x,-y,1/2+z' '1/2-x,y,1/2-z' '1/2+x,1/2+y,-z' '1/2-x,1/2-y,z' '1/2+y,1/2+x,1/2+z' '1/2-y,1/2-x,1/2-z' '-y,1/2+x,-z' 'y,1/2-x,z' '-x,1/2+y,1/2+z' 'x,1/2-y,1/2-z' '-x,-y,-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 0.25000 0.25000 0.25000 0.50000 0.02660 Pb2 0.25000 0.25000 0.75000 1.00000 0.00887 Pb3 0.25000 0.75000 0.75000 1.00000 0.01140 W 0.00000 0.00000 0.00000 1.00000 0.00380 O1 0.03700 0.18100 0.08600 1.00000 0.00380 O2 0.65300 0.09500 0.09600 0.80000 0.02533