data_global _chemical_name_mineral 'Kazakovite' loop_ _publ_author_name 'Voronkov A A' 'Pudovkina Z V' 'Blinov V A' 'Ilyukhin V V' 'Pyatenko Y A' _journal_name_full 'Doklady Akademii Nauk SSSR' _journal_volume 245 _journal_year 1979 _journal_page_first 106 _journal_page_last 109 _publ_section_title ; Crystal structure of kazakovite Na6Mn{Ti[Si6O18]} ; _database_code_amcsd 0012462 _chemical_formula_sum 'Na6 Mn Ti Si6 O18' _cell_length_a 7.310 _cell_length_b 7.310 _cell_length_c 7.310 _cell_angle_alpha 88.11 _cell_angle_beta 88.11 _cell_angle_gamma 88.11 _cell_volume 389.994 _exptl_crystal_density_diffrn 2.969 _symmetry_space_group_name_H-M 'R -3 m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-z,-y' '-z,-x,-y' 'y,x,z' 'y,z,x' '-z,-y,-x' '-x,-y,-z' 'x,z,y' 'z,x,y' '-y,-x,-z' '-y,-z,-x' 'z,y,x' 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 Na1 0.00000 0.00000 0.50000 1.00000 0.02014 Na2 0.50000 0.50000 0.00000 1.00000 0.02634 Mn 0.24380 0.24380 0.24380 0.50000 0.02026 Ti 0.00000 0.00000 0.00000 1.00000 0.00279 Si 0.27910 0.27910 0.73480 1.00000 0.00988 O1 0.21330 0.21330 0.54720 1.00000 0.02508 O2 0.18430 0.18430 0.91490 1.00000 0.01849 O3 0.24160 0.75840 0.50000 1.00000 0.02318