#------------------------------------------------------------------------------ #$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9000529.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_9000529 loop_ _publ_author_name 'Prewitt C T' 'Sueno S' 'Papike J J' _publ_section_title ; The crystal structures of high albite and monalbite at high temperatures T = 950 deg C feldspar ; _journal_name_full 'American Mineralogist' _journal_page_first 1213 _journal_page_last 1225 _journal_volume 61 _journal_year 1976 _chemical_formula_sum 'Al Na O8 Si3' _[local]_cod_chemical_formula_sum_orig 'Na (Si3 Al) O8' _chemical_name_mineral Albite _symmetry_space_group_name_H-M 'C -1' _cell_angle_alpha 91.161 _cell_angle_beta 116.169 _cell_angle_gamma 90.03 _cell_length_a 8.2508 _cell_length_b 12.9489 _cell_length_c 7.1431 _cell_volume 684.755 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 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 Na 0.27800 0.00190 0.13710 1.00000 0.14768 Si1o 0.00860 0.17460 0.22100 0.75000 0.02748 Al1o 0.00860 0.17460 0.22100 0.25000 0.02748 Si1m 0.00720 0.81940 0.22530 0.75000 0.02736 Al1m 0.00720 0.81940 0.22530 0.25000 0.02736 Si2o 0.69510 0.11410 0.33630 0.75000 0.02786 Al2o 0.69510 0.11410 0.33630 0.25000 0.02786 Si2m 0.69380 0.88200 0.34650 0.75000 0.02799 Al2m 0.69380 0.88200 0.34650 0.25000 0.02799 Oa1 0.00160 0.13800 0.99520 1.00000 0.05041 Oa2 0.60330 0.99710 0.28310 1.00000 0.04078 Obo 0.82260 0.12820 0.21690 1.00000 0.05725 Obm 0.82220 0.85930 0.23230 1.00000 0.06016 Oco 0.02390 0.30050 0.26190 1.00000 0.04800 Ocm 0.02470 0.69330 0.24550 1.00000 0.04927 Odo 0.18940 0.11980 0.40010 1.00000 0.05155 Odm 0.18810 0.87360 0.41170 1.00000 0.05231