#------------------------------------------------------------------------------ #$Date: 2010-06-10 16:11:07 +0100 (Thu, 10 Jun 2010) $ #$Revision: 1210 $ #$URL: svn://www.crystallography.net/cod/cif/9/9000280.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_9000280 loop_ _publ_author_name 'Fang, J. H.' 'Robinson, P. D.' _publ_section_title ; Crystal structures and mineral chemistry of double-salt hydrates: II. The crystal structure of mendozite, NaAl(SO4)2.11H2O ; _journal_name_full 'American Mineralogist' _journal_page_first 1081 _journal_page_last 1088 _journal_volume 57 _journal_year 1972 _chemical_formula_sum 'Al H22 Na O19 S2' _chemical_name_mineral Mendozite _space_group_IT_number 15 _symmetry_space_group_name_Hall '-C 2yc' _symmetry_space_group_name_H-M 'C 1 2/c 1' _cell_angle_alpha 90 _cell_angle_beta 92.47 _cell_angle_gamma 90 _cell_length_a 21.75 _cell_length_b 9.11 _cell_length_c 8.30 _cell_volume 1643.055 _exptl_crystal_density_diffrn 1.779 _[local]_cod_chemical_formula_sum_orig 'Na Al S2 O19 H22' _cod_database_code 9000280 _amcsd_database_code AMCSD#0000288 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2+y,z x,-y,1/2+z 1/2+x,1/2-y,1/2+z -x,y,1/2-z 1/2-x,1/2+y,1/2-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_U_iso_or_equiv Na 0.00000 0.00000 0.00000 0.02596 Al 0.25000 0.25000 0.00000 0.01267 S 0.13140 0.25320 0.52950 0.01545 O1 0.14610 0.39550 0.61070 0.02305 O2 0.07470 0.19260 0.59030 0.03242 O3 0.18400 0.15440 0.56540 0.03154 O4 0.12480 0.27580 0.35480 0.03040 Wat1 0.23060 0.30240 0.21000 0.02368 Wat2 0.18320 0.12310 0.98570 0.02356 Wat3 0.19790 0.40370 0.91930 0.02001 Wat4 0.00000 0.12310 0.25000 0.03787 Wat5 0.06830 0.18640 0.91610 0.02850 Wat6 0.03580 0.42910 0.11010 0.04661