#------------------------------------------------------------------------------ #$Date: 2012-02-28 17:44:07 +0200 (Tue, 28 Feb 2012) $ #$Revision: 35913 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/05/9000528.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_9000528 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 = 750 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 91.956 _cell_angle_beta 116.232 _cell_angle_gamma 90.078 _cell_length_a 8.2296 _cell_length_b 12.9336 _cell_length_c 7.1357 _cell_volume 680.780 _diffrn_ambient_temperature 1023.15 _exptl_crystal_density_diffrn 2.558 _[local]_cod_chemical_formula_sum_orig 'Na (Si3 Al) O8' _cod_database_code 9000528 _amcsd_database_code AMCSD#0000538 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 0.27690 0.00290 0.13740 1.00000 0.13678 Si1o 0.00870 0.17180 0.21890 0.75000 0.02394 Al1o 0.00870 0.17180 0.21890 0.25000 0.02394 Si1m 0.00660 0.81770 0.22680 0.75000 0.02343 Al1m 0.00660 0.81770 0.22680 0.25000 0.02343 Si2o 0.69400 0.11230 0.33160 0.75000 0.02381 Al2o 0.69400 0.11230 0.33160 0.25000 0.02381 Si2m 0.69190 0.88050 0.34940 0.75000 0.02394 Al2m 0.69190 0.88050 0.34940 0.25000 0.02394 Oa1 0.00300 0.13740 0.99120 1.00000 0.04559 Oa2 0.60120 0.99510 0.28250 1.00000 0.03610 Obo 0.82210 0.12250 0.21140 1.00000 0.04889 Obm 0.82160 0.85480 0.23700 1.00000 0.05370 Oco 0.02260 0.29740 0.26700 1.00000 0.04129 Ocm 0.02420 0.69150 0.23760 1.00000 0.04281 Odo 0.19120 0.11750 0.39510 1.00000 0.04445 Odm 0.18820 0.87140 0.41660 1.00000 0.04686