#------------------------------------------------------------------------------ #$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9000531.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_9000531 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 = 1105 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 90.1 _cell_angle_beta 116.1 _cell_angle_gamma 90 _cell_length_a 8.278 _cell_length_b 12.959 _cell_length_c 7.145 _cell_volume 688.316 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 0.27970 0.00000 0.13820 1.00000 0.15945 Si1o 0.00810 0.17830 0.22300 0.75000 0.03166 Al1o 0.00810 0.17830 0.22300 0.25000 0.03166 Si1m 0.00800 0.82140 0.22330 0.75000 0.03204 Al1m 0.00800 0.82140 0.22330 0.25000 0.03204 Si2o 0.69630 0.11600 0.34200 0.75000 0.03179 Al2o 0.69630 0.11600 0.34200 0.25000 0.03179 Si2m 0.69640 0.88380 0.34260 0.75000 0.03166 Al2m 0.69640 0.88380 0.34260 0.25000 0.03166 Oa1 0.00020 0.13900 0.99950 1.00000 0.05598 Oa2 0.60720 0.99990 0.28500 1.00000 0.04344 Obo 0.82380 0.13450 0.22420 1.00000 0.06725 Obm 0.82390 0.86540 0.22520 1.00000 0.06776 Oco 0.02660 0.30410 0.25340 1.00000 0.05839 Ocm 0.02640 0.69570 0.25250 1.00000 0.05826 Odo 0.18820 0.12360 0.40500 1.00000 0.05725 Odm 0.18750 0.87610 0.40560 1.00000 0.05687