#------------------------------------------------------------------------------ #$Date: 2023-03-27 08:00:38 +0100 (Mon, 27 Mar 2023) $ #$Revision: 282074 $ #$URL: svn://www.crystallography.net/cod/cif/9/01/78/9017831.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_9017831 loop_ _publ_author_name 'Brown, G. E.' 'Hamilton, W. C.' 'Prewitt, C. T.' 'Sueno, S.' _publ_section_title ; Neutron diffraction study of Al/Si ordering in sanidine: a comparison with X-ray diffraction data ; _journal_name_full 'The Feldspars: Proceedings of a NATO Advanced Study Institute' _journal_page_first 68 _journal_page_last 80 _journal_year 1974 _chemical_compound_source 'Laacher See, Eifel District, Germany' _chemical_formula_sum 'Al K0.85 Na0.15 O8 Si3' _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 115.99 _cell_angle_gamma 90 _cell_length_a 8.539 _cell_length_b 13.015 _cell_length_c 7.179 _cell_volume 717.154 _database_code_amcsd 0020556 _exptl_crystal_density_diffrn 2.555 _cod_data_source_file inputs/fixed/downloads/20/20321.cif _cod_data_source_block 20321 _cod_original_formula_sum '(K.85 Na.15) (Si3 Al) O8' _cod_database_code 9017831 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 KM 0.01850 0.04291 0.03291 0.00000 0.00753 0.00000 NaM 0.01850 0.04291 0.03291 0.00000 0.00753 0.00000 SiT1s 0.00955 0.01201 0.00696 -0.00202 0.00351 -0.00043 AlT1a 0.00955 0.01201 0.00696 -0.00202 0.00351 -0.00043 SiT2s 0.00985 0.00858 0.00865 -0.00051 0.00301 0.00000 AlT2a 0.00985 0.00858 0.00865 -0.00051 0.00301 0.00000 Oa1 0.02447 0.01974 0.01519 0.00000 0.01004 0.00000 Oa2 0.01910 0.01201 0.02046 0.00000 0.00326 0.00000 Ob 0.01880 0.03089 0.02616 -0.00455 0.01405 0.00043 Oc 0.01522 0.01545 0.02067 -0.00202 0.00502 -0.00213 Od 0.01880 0.02060 0.01076 0.00253 0.00201 0.00128 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 KM 0.28370 0.00000 0.13690 0.85000 0.02660 NaM 0.28370 0.00000 0.13690 0.15000 0.02660 SiT1s 0.00970 0.18430 0.22380 0.68500 0.00887 AlT1a 0.00970 0.18430 0.22380 0.31500 0.00887 SiT2s 0.70750 0.11780 0.34420 0.81500 0.00798 AlT2a 0.70750 0.11780 0.34420 0.18500 0.00798 Oa1 0.00000 0.14590 0.00000 1.00000 0.01938 Oa2 0.63340 0.00000 0.28480 1.00000 0.01722 Ob 0.82770 0.14520 0.22640 1.00000 0.02419 Oc 0.03350 0.31000 0.25750 1.00000 0.01697 Od 0.18130 0.12620 0.40440 1.00000 0.01849 loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 AMCSD 0020556