#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9009366.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_9009366 loop_ _publ_author_name 'Muller G' 'Paulus H' 'Stiefel J' _publ_section_title ; Synthesis and structure of beta-quartz type Na0.5H0.5AlSi206 as compared to LiAlSi206 Note: stuffed beta-quartz type structure Sample: ref 2 ; _journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte' _journal_page_first 493 _journal_page_last 503 _journal_volume 1990 _journal_year 1990 _chemical_formula_sum 'Al0.333 H0.167 Na0.167 O2 Si0.667' _[local]_cod_chemical_formula_sum_orig 'Na.167 H.167 (Al.333 Si.667) O2' _chemical_name_mineral Na.5H.5AlSi206 _symmetry_space_group_name_H-M 'P 62 2 2' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 5.150 _cell_length_b 5.150 _cell_length_c 5.458 _cell_volume 125.366 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,x-y,1/3-z x-y,x,1/3+z y,x,2/3-z -y,x-y,2/3+z -x+y,y,-z -x,-y,z -x,-x+y,1/3-z -x+y,-x,1/3+z -y,-x,2/3-z y,-x+y,2/3+z x-y,-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 0.00000 0.00000 0.00000 0.16700 0.08359 H 0.00000 0.00000 0.00000 0.16700 0.08359 Al 0.50000 0.00000 0.00000 0.33333 0.04433 Si 0.50000 0.00000 0.00000 0.66667 0.04433 O 0.20800 0.41600 0.50000 1.00000 0.06713 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Na 0.08200 0.02600 0.14300 0.01300 0.00000 0.00000 H 0.08200 0.02600 0.14300 0.01300 0.00000 0.00000 Al 0.06000 0.02700 0.04900 0.01300 0.00000 0.00000 Si 0.06000 0.02700 0.04900 0.01300 0.00000 0.00000 O 0.06300 0.12300 0.11700 0.06100 0.01900 0.00000 _cod_database_code 9009366