data_global _chemical_name_mineral 'Lanmuchangite' loop_ _publ_author_name 'Nyburg S C' 'Steed J' 'Aleksovska S' 'Petrusevski V M' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 56 _journal_year 2000 _journal_page_first 204 _journal_page_last 209 _publ_section_title ; Structure of the alums. I. On the sulfate group disorder in the alpha-alums Sample: T = 296 K ; _database_code_amcsd 0009915 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Tl Al S2 O20 H24' _cell_length_a 12.2305 _cell_length_b 12.2305 _cell_length_c 12.2305 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1829.501 _exptl_crystal_density_diffrn 2.322 _symmetry_space_group_name_H-M 'P a 3' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+z,x,1/2-y' 'z,1/2-x,1/2+y' '1/2-z,1/2+x,y' '-z,-x,-y' '1/2+y,1/2-z,-x' '1/2-y,-z,1/2+x' '-y,1/2+z,1/2-x' 'y,z,x' 'x,1/2-y,1/2+z' '1/2-x,1/2+y,z' '1/2+x,y,1/2-z' '-x,-y,-z' '1/2-z,-x,1/2+y' '-z,1/2+x,1/2-y' '1/2+z,1/2-x,-y' 'z,x,y' '1/2-y,1/2+z,x' '1/2+y,z,1/2-x' 'y,1/2-z,1/2+x' '-y,-z,-x' '-x,1/2+y,1/2-z' '1/2+x,1/2-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 Tl 0.50000 0.50000 0.50000 1.00000 0.05190 Al 0.00000 0.00000 0.00000 1.00000 0.01960 S 0.31138 0.31138 0.31138 1.00000 0.02590 O3 0.24340 0.24340 0.24340 0.84300 0.06500 O3A 0.37790 0.37790 0.37790 0.15700 0.13000 O4 0.26760 0.42320 0.31570 0.84300 0.04650 O4A 0.29180 0.20650 0.36800 0.15700 0.06400 O1 0.15210 0.01508 -0.01440 1.00000 0.02840 O2 0.04606 0.13994 0.29729 1.00000 0.04050 H11 0.17600 0.02800 -0.06600 1.00000 0.03700 H12 0.19200 0.01800 0.03800 1.00000 0.04000 H21 0.11400 0.17320 0.29300 1.00000 0.10400 H22 0.00400 0.19190 0.29580 1.00000 0.12000 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 Tl 0.05190 0.05190 0.05190 0.00830 0.00830 0.00830 Al 0.01960 0.01960 0.01960 -0.00020 -0.00020 -0.00020 S 0.02590 0.02590 0.02590 0.00370 0.00370 0.00370 O3 0.06500 0.06500 0.06500 -0.01660 -0.01660 -0.01660 O3A 0.13000 0.13000 0.13000 -0.05200 -0.05200 -0.05200 O4 0.06400 0.03420 0.04170 0.02400 0.02050 0.01030 O4A 0.06700 0.04400 0.08200 0.02600 0.05200 0.04000 O1 0.02260 0.03550 0.02710 -0.00340 0.00070 0.00210 O2 0.04570 0.03510 0.04080 0.00250 -0.00760 -0.00600