data_global _amcsd_formula_title 'Pb2MgTeO6' loop_ _publ_author_name 'Baldinozzi G' 'Grebille D' 'Sciau P' 'Kiat J' 'Moret J' 'Berar J' _journal_name_full 'Journal of Physics: Condensed Matter' _journal_volume 10 _journal_year 1998 _journal_page_first 6461 _journal_page_last 6472 _publ_section_title ; Rietveld refinement of the incommensurate structure of the elpasolite (ordered perovskite) Pb2 Mg Te O6 _cod_database_code 1008900 ; _database_code_amcsd 0016767 _chemical_formula_sum 'O6 Pb2 Te Mg' _cell_length_a 5.6447 _cell_length_b 5.6447 _cell_length_c 5.6447 _cell_angle_alpha 59.923 _cell_angle_beta 59.923 _cell_angle_gamma 59.923 _cell_volume 126.955 _exptl_crystal_density_diffrn 8.662 _symmetry_space_group_name_H-M 'R -3' loop_ _space_group_symop_operation_xyz 'x,y,z' '-z,-x,-y' 'y,z,x' '-x,-y,-z' 'z,x,y' '-y,-z,-x' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy O1 0.24080 0.73840 0.75590 1.00000 Pb1 0.24800 0.22400 0.27400 0.33330 Te1 0.50000 0.50000 0.50000 1.00000 Mg1 0.00000 0.00000 0.00000 1.00000