#------------------------------------------------------------------------------ #$Date: 2010-06-10 18:11:07 +0300 (Thu, 10 Jun 2010) $ #$Revision: 1210 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9005264.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_9005264 loop_ _publ_author_name 'Kimata, M.' 'Shimizu, M.' 'Saito, S.' _publ_section_title ; High-temperature crystal structure of sanidine Part II. The crystal structure of sanidine at 935 C Sample: T = 23 C, feldspar ; _journal_name_full 'European Journal of Mineralogy' _journal_page_first 15 _journal_page_last 24 _journal_volume 8 _journal_year 1996 _chemical_formula_sum 'Al Ba0.014 Fe0.003 K0.789 Na0.16 O8 Si3' _chemical_name_mineral Sanidine _space_group_IT_number 12 _symmetry_space_group_name_Hall '-C 2y' _symmetry_space_group_name_H-M 'C 1 2/m 1' _cell_angle_alpha 90 _cell_angle_beta 116.00 _cell_angle_gamma 90 _cell_length_a 8.531 _cell_length_b 13.007 _cell_length_c 7.179 _cell_volume 715.981 _diffrn_ambient_temperature 296.15 _exptl_crystal_density_diffrn 2.559 _[local]_cod_chemical_formula_sum_orig 'K.789 Na.16 Ba.014 Fe.003 (Al Si3) O8' _cod_database_code 9005264 _amcsd_database_code AMCSD#0006552 loop_ _symmetry_equiv_pos_as_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_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 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