#------------------------------------------------------------------------------ #$Date: 2016-02-16 14:49:47 +0200 (Tue, 16 Feb 2016) $ #$Revision: 176465 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/05/9000529.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_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' _chemical_name_mineral Albite _space_group_IT_number 2 _symmetry_space_group_name_Hall '-P 1 (1/2*x+1/2*y,1/2*x-1/2*y,-z)' _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 _diffrn_ambient_temperature 1223.15 _exptl_crystal_density_diffrn 2.544 _cod_original_formula_sum 'Na (Si3 Al) O8' _cod_database_code 9000529 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