data_global _chemical_name_mineral 'Paragonite' loop_ _publ_author_name 'Lin C Y' 'Bailey S W' _journal_name_full 'American Mineralogist' _journal_volume 69 _journal_year 1984 _journal_page_first 122 _journal_page_last 127 _publ_section_title ; The crystal structure of paragonite-2M1 ; _database_code_amcsd 0000924 _chemical_formula_sum 'Al3.06 Si2.94 Na O12 H2' _cell_length_a 5.128 _cell_length_b 8.898 _cell_length_c 19.287 _cell_angle_alpha 90 _cell_angle_beta 94.35 _cell_angle_gamma 90 _cell_volume 877.510 _exptl_crystal_density_diffrn 2.892 _symmetry_space_group_name_H-M 'C 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Al1 0.95280 0.42880 0.14090 0.26500 Si1 0.95280 0.42880 0.14090 0.73500 Al2 0.44010 0.25780 0.14090 0.26500 Si2 0.44010 0.25780 0.14090 0.73500 Al2 0.24990 0.08320 -0.00002 1.00000 Na 0.00000 0.09410 0.25000 1.00000 O1 0.95740 0.44390 0.05540 1.00000 O2 0.37950 0.25160 0.05540 1.00000 O3 0.37390 0.09140 0.17430 1.00000 O4 0.74910 0.29600 0.16280 1.00000 O5 0.24750 0.38180 0.17480 1.00000 O-h 0.95180 0.06280 0.05120 1.00000 H 0.88660 0.14580 0.07060 1.00000 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 Al1 0.00662 0.00682 0.02136 -0.00069 0.00100 0.00043 Si1 0.00662 0.00682 0.02136 -0.00069 0.00100 0.00043 Al2 0.00742 0.00642 0.02173 0.00023 0.00100 0.00017 Si2 0.00742 0.00642 0.02173 0.00023 0.00100 0.00017 Al2 0.00676 0.00602 0.02099 -0.00138 -0.00050 0.00104 Na 0.02887 0.03810 0.03935 -0.00945 0.01245 0.01127 O1 0.00676 0.00802 0.02623 0.00184 -0.00050 0.00009 O2 0.00980 0.00602 0.02436 -0.00046 0.00100 0.00069 O3 0.01775 0.01083 0.02811 -0.00161 0.00199 0.00173 O4 0.16172 0.01163 0.02811 -0.00023 0.00199 0.00433 O5 0.01470 0.01043 0.02998 0.00207 0.00349 0.00000 O-h 0.00808 0.00963 0.02436 -0.00184 0.00199 -0.00433