#------------------------------------------------------------------------------ #$Date: 2012-02-28 17:44:07 +0200 (Tue, 28 Feb 2012) $ #$Revision: 35913 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/01/37/9013719.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_9013719 loop_ _publ_author_name 'Drits, V. A.' 'Zviagina, B. B.' 'McCarty, D. K.' 'Salyn, A. L.' _publ_section_title ; Factors responsible for crystal-chemical variations in the solid solutions from illite to aluminoceladonite and from glauconite to celadonite Locality: Belgorod, Low Amur, Russia Sample Name: M422 ; _journal_name_full 'American Mineralogist' _journal_page_first 348 _journal_page_last 361 _journal_volume 95 _journal_year 2010 _chemical_formula_sum 'Al2 H2 K O12 Si4' _chemical_name_mineral Illite _space_group_IT_number 12 _symmetry_space_group_name_Hall '-C 2y' _symmetry_space_group_name_H-M 'C 1 2/m 1' _cell_angle_alpha 90 _cell_angle_beta 101.60 _cell_angle_gamma 90 _cell_length_a 5.1994 _cell_length_b 8.9815 _cell_length_c 10.233 _cell_volume 468.105 _exptl_crystal_density_diffrn 2.834 _[local]_cod_chemical_formula_sum_orig 'K Al2 Si4 O12 H2' _cod_database_code 9013719 _amcsd_database_code AMCSD#0005015 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 -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 K 0.00000 0.50000 0.50000 Al 0.50000 0.16670 0.00000 Si 0.41890 0.32790 0.26900 O1 0.34740 0.30860 0.10600 O2 0.50130 0.50000 0.31230 O3 0.66970 0.22290 0.33500 O-H 0.41880 0.00000 0.09980