#------------------------------------------------------------------------------ #$Date: 2024-05-29 15:00:33 +0100 (Wed, 29 May 2024) $ #$Revision: 292100 $ #$URL: svn://www.crystallography.net/cod/cif/9/01/78/9017816.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_9017816 loop_ _publ_author_name 'Ackermann, S.' 'Kunz, M.' 'Armbruster, T.' 'Schefer, J.' 'Hanni, H.' _publ_section_title ; Cation distribution in a Fe-bearing K-feldspar from Itrongay, Madagascar: A combined neutron- and X-ray single-crystal diffraction study Note: Neutron diffraction data, occupancies taken from simultaneous data ; _journal_name_full 'Schweizerische Mineralogische und Petrographische Mitteilungen' _journal_page_first 345 _journal_page_last 354 _journal_volume 84 _journal_year 2004 _chemical_compound_source 'Itrongay, Madagascar' _chemical_formula_sum 'Al0.9 Fe0.04 K0.895 Na0.105 O8 Si3.06' _chemical_name_mineral Sanidine _space_group_IT_number 12 _space_group_name_Hall '-C 2y' _space_group_name_H-M_alt 'C 1 2/m 1' _symmetry_space_group_name_H-M 'C 1 2/m 1' _cell_angle_alpha 90 _cell_angle_beta 116.056 _cell_angle_gamma 90 _cell_length_a 8.5992 _cell_length_b 13.0277 _cell_length_c 7.1926 _cell_formula_units_Z 4 _cell_volume 723.877 _database_code_amcsd 0020559 _exptl_crystal_density_diffrn 2.550 _cod_data_source_file inputs/fixed/downloads/19/19896.cif _cod_data_source_block 19896 _cod_original_formula_sum '(K.895 Na.105) Si3.06 Al.9 Fe.04 O8' _cod_database_code 9017816 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_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 K1M 0.02600 0.03500 0.03200 0.00000 0.01500 0.00000 Na1M 0.02600 0.03500 0.03200 0.00000 0.01500 0.00000 SiT1 0.01140 0.01180 0.00920 0.00220 0.00470 0.00110 AlT1 0.01140 0.01180 0.00920 0.00220 0.00470 0.00110 FeT1 0.01140 0.01180 0.00920 0.00220 0.00470 0.00110 SiT2 0.01100 0.00930 0.01070 0.00020 0.00420 -0.00010 AlT2 0.01100 0.00930 0.01070 0.00020 0.00420 -0.00010 O1 0.01900 0.01200 0.01800 0.00000 0.00200 0.00000 O2 0.02000 0.01800 0.01000 0.00200 0.00300 0.00100 O3 0.02400 0.01900 0.01400 0.00000 0.00900 0.00000 O4 0.01700 0.01500 0.01700 -0.00200 0.00500 -0.00300 O5 0.02200 0.03000 0.02200 0.00400 0.01400 0.00000 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 K1M 0.21490 0.50000 0.86215 0.89500 0.27000 Na1M 0.21490 0.50000 0.86215 0.10500 0.27000 SiT1 0.99056 0.18503 0.77617 0.65000 0.01070 AlT1 0.99056 0.18503 0.77617 0.33000 0.01070 FeT1 0.99056 0.18503 0.77617 0.02000 0.01070 SiT2 0.20946 0.38211 0.34437 0.88000 0.01070 AlT2 0.20946 0.38211 0.34437 0.12000 0.01070 O1 0.13760 0.50000 0.28470 1.00000 0.02000 O2 0.31960 0.37380 0.59451 1.00000 0.01800 O3 0.00000 0.14630 0.00000 1.00000 0.02400 O4 0.03516 0.31119 0.25850 1.00000 0.01700 O5 0.17233 0.14676 0.77300 1.00000 0.02000 loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0020559