data_global _chemical_name_mineral 'Perlialite' loop_ _publ_author_name 'Artioli G' 'Kvick A' _journal_name_full 'European Journal of Mineralogy' _journal_volume 2 _journal_year 1990 _journal_page_first 749 _journal_page_last 759 _publ_section_title ; Synchrotron X-ray Rietveld study of perlialite, the natural counterpart of synthetic zeolite-L Sample: data collected with conventional diffractometer radiation ; _database_code_amcsd 0006390 _chemical_formula_sum 'K7.447 Tl3.813 (Si24 Al12) O95.24 H46.48' _cell_length_a 18.5432 _cell_length_b 18.5432 _cell_length_c 7.5310 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 2242.604 _exptl_crystal_density_diffrn 2.694 _symmetry_space_group_name_H-M 'P 6/m m m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-x+y,z' 'x,x-y,-z' '-x+y,-x,-z' 'x-y,x,z' '-y,-x,z' 'y,x,-z' 'y,-x+y,-z' '-y,x-y,z' 'x-y,-y,z' '-x+y,y,-z' 'x,y,-z' '-x,-y,z' 'x,x-y,z' '-x,-x+y,-z' 'x-y,x,-z' '-x+y,-x,z' 'y,x,z' '-y,-x,-z' '-y,x-y,-z' 'y,-x+y,z' '-x+y,y,z' 'x-y,-y,-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 KA 0.33333 0.66667 0.00000 0.13000 0.11000 KB 0.33333 0.66667 0.50000 0.60000 0.02300 KB1 0.33333 0.66667 0.44300 0.20000 0.02300 KD 0.29900 0.00000 0.00000 0.52100 0.04030 TlD1 0.31500 0.00000 0.00000 0.47900 0.04030 KE 0.50000 0.00000 0.50000 0.68700 0.04400 TlE 0.50000 0.00000 0.50000 0.31300 0.04400 Si1 0.09180 0.35220 0.50000 0.66667 0.03100 Al1 0.09180 0.35220 0.50000 0.33333 0.03100 Si2 0.17030 0.49760 0.21720 0.66667 0.05600 Al2 0.17030 0.49760 0.21720 0.33333 0.05600 O1 0.00000 0.27600 0.50000 1.00000 0.03000 O2 0.16220 0.32440 0.50000 1.00000 0.02000 O3 0.26500 0.53000 0.28300 1.00000 0.05000 O4 0.10750 0.41490 0.33100 1.00000 0.02700 O5 0.41810 0.83620 0.26300 1.00000 0.06000 O6 0.16000 0.48900 0.00000 1.00000 0.04500 WatF 0.12000 0.00000 0.00000 0.10000 0.10000 WatH 0.13510 0.00000 0.36400 0.83000 0.11000 WatI 0.28800 0.14400 0.00000 0.53000 0.09000 WatJ 0.27400 0.13700 0.24000 0.42000 0.10000 WatK 0.00000 0.00000 0.19000 0.37000 0.10000 WatN 0.55300 0.27700 0.00000 0.31000 0.10000