data_global _chemical_name_mineral 'Sanidine' loop_ _publ_author_name 'Kimata M' 'Shimizu M' 'Saito S' _journal_name_full 'European Journal of Mineralogy' _journal_volume 8 _journal_year 1996 _journal_page_first 15 _journal_page_last 24 _publ_section_title ; High-temperature crystal structure of sanidine Part II. The crystal structure of sanidine at 935 C Sample: T = 23 C, feldspar ; _database_code_amcsd 0006610 _chemical_formula_sum 'K.789 Na.16 Ba.014 Fe.003 (Al Si3) O8' _cell_length_a 8.531 _cell_length_b 13.007 _cell_length_c 7.179 _cell_angle_alpha 90 _cell_angle_beta 116.00 _cell_angle_gamma 90 _cell_volume 715.981 _exptl_crystal_density_diffrn 2.559 _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 0.28070 0.00000 0.13630 0.78900 0.04606 Na 0.28070 0.00000 0.13630 0.16000 0.04606 Ba 0.28070 0.00000 0.13630 0.01400 0.04606 Fe 0.28070 0.00000 0.13630 0.00300 0.04606 AlT1 0.00850 0.18190 0.22350 0.28000 0.01551 SiT1 0.00850 0.18190 0.22350 0.72000 0.01551 AlT2 0.70230 0.11690 0.34360 0.22000 0.01511 SiT2 0.70230 0.11690 0.34360 0.78000 0.01511 OA1 0.00000 0.14290 0.00000 1.00000 0.02657 OA2 0.62250 0.00000 0.28510 1.00000 0.02669 OB 0.82620 0.14060 0.22620 1.00000 0.02851 OC 0.02770 0.30720 0.25470 1.00000 0.02290 OD 0.18440 0.12520 0.40490 1.00000 0.02461 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 0.02889 0.06128 0.04334 0.00000 0.01148 0.00000 Na 0.02889 0.06128 0.04334 0.00000 0.01148 0.00000 Ba 0.02889 0.06128 0.04334 0.00000 0.01148 0.00000 Fe 0.02889 0.06128 0.04334 0.00000 0.01148 0.00000 AlT1 0.01921 0.01748 0.01101 -0.00318 0.00769 -0.00064 SiT1 0.01921 0.01748 0.01101 -0.00318 0.00769 -0.00064 AlT2 0.01808 0.01397 0.01308 -0.00020 0.00662 0.00021 SiT2 0.01808 0.01397 0.01308 -0.00020 0.00662 0.00021 OA1 0.03789 0.02580 0.01905 0.00000 0.01529 0.00000 OA2 0.03235 0.01568 0.02771 0.00000 0.00920 0.00000 OB 0.02719 0.03231 0.02961 -0.00399 0.01577 0.00179 OC 0.02344 0.02014 0.02434 -0.00141 0.00975 -0.00051 OD 0.02749 0.02537 0.01666 0.00111 0.00571 0.00085