#------------------------------------------------------------------------------ #$Date: 2013-05-05 17:21:46 +0300 (Sun, 05 May 2013) $ #$Revision: 85285 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/23/9002382.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_9002382 loop_ _publ_author_name 'Xu, H.' 'Heaney, P. J.' 'Beall, G. H.' _publ_section_title ;Phase transitions induced by solid solution in stuffed derivatives of quartz: A powder synchrotron XRD study of the LiAlSiO4-SiO2 join Sample: x=.69, Li.31Al.31Si1.69O4, alpha quartz structure ; _journal_name_full 'American Mineralogist' _journal_page_first 971 _journal_page_last 979 _journal_volume 85 _journal_year 2000 _chemical_formula_structural Li.31Al.31Si1.69O4 _chemical_formula_sum 'Al0.155 Li0.155 O2 Si0.845' _space_group_IT_number 154 _symmetry_space_group_name_Hall 'P 32 2"' _symmetry_space_group_name_H-M 'P 32 2 1' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 5.0865 _cell_length_b 5.0865 _cell_length_c 5.4451 _cell_volume 122.004 _exptl_crystal_density_diffrn 2.490 _[local]_cod_chemical_formula_sum_orig 'Li.155 (Si.845 Al.155) O2' _cod_database_code 9002382 loop_ _symmetry_equiv_pos_as_xyz x,y,z y,x,-z -y,x-y,2/3+z -x,-x+y,2/3-z -x+y,-x,1/3+z x-y,-y,1/3-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 Li 0.00000 0.00000 0.00000 0.15500 0.06300 Si 0.50980 0.00000 0.66667 0.84500 0.01320 Al 0.50980 0.00000 0.66667 0.15500 0.01320 O 0.58830 0.76410 0.81100 1.00000 0.02180