data_global _chemical_name_mineral 'Sanidine' loop_ _publ_author_name 'Angel R J' 'Ross N L' 'Zhao J' 'Sochalski-Kolbus L' 'Kruger H' 'Schmidt B C' _journal_name_full 'European Journal of Mineralogy' _journal_volume 25 _journal_year 2013 _journal_page_first 597 _journal_page_last 614 _publ_section_title ; Structural controls on the anisotropy of tetrahedral frameworks: the example of monoclinic feldspars Note: Sample H002 ; _database_code_amcsd 0020508 _chemical_compound_source 'Unknown' _chemical_formula_sum '(K.83 Na.15 Cs.02) (Si3 Al) O8' _cell_length_a 8.5497 _cell_length_b 13.0216 _cell_length_c 7.1843 _cell_angle_alpha 90 _cell_angle_beta 115.988 _cell_angle_gamma 90 _cell_volume 718.959 _exptl_crystal_density_diffrn 2.566 _symmetry_space_group_name_H-M 'C 1 2/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,z' '1/2+x,1/2-y,z' '-x,y,-z' '1/2-x,1/2+y,-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 _atom_site_U_iso_or_equiv K 0.28434 0.00000 0.13721 0.83000 0.02941 Na 0.28434 0.00000 0.13721 0.15000 0.02941 Cs 0.28434 0.00000 0.13721 0.02000 0.02941 SiT1 0.00939 0.18447 0.22376 0.69000 0.01100 AlT1 0.00939 0.18447 0.22376 0.31000 0.01100 SiT2 0.70796 0.11778 0.34440 0.81000 0.01053 AlT2 0.70796 0.11778 0.34440 0.19000 0.01053 OA1 0.00000 0.14599 0.00000 1.00000 0.02080 OA2 0.63420 0.00000 0.28510 1.00000 0.02090 OB 0.82762 0.14555 0.22670 1.00000 0.02440 OC 0.03342 0.30999 0.25760 1.00000 0.01910 OD 0.18104 0.12642 0.40480 1.00000 0.01990 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 K 0.01790 0.03710 0.03000 0.00000 0.00750 0.00000 Na 0.01790 0.03710 0.03000 0.00000 0.00750 0.00000 Cs 0.01790 0.03710 0.03000 0.00000 0.00750 0.00000 SiT1 0.01160 0.01230 0.00940 -0.00222 0.00488 -0.00082 AlT1 0.01160 0.01230 0.00940 -0.00222 0.00488 -0.00082 SiT2 0.01070 0.00940 0.01090 -0.00051 0.00418 -0.00003 AlT2 0.01070 0.00940 0.01090 -0.00051 0.00418 -0.00003 OA1 0.02550 0.02130 0.01630 0.00000 0.00990 0.00000 OA2 0.02020 0.01290 0.02310 0.00000 0.00340 0.00000 OB 0.02050 0.03150 0.02490 -0.00350 0.01340 0.00110 OC 0.01700 0.01600 0.02250 -0.00180 0.00690 -0.00200 OD 0.02110 0.02000 0.01430 0.00180 0.00400 0.00170