#------------------------------------------------------------------------------ #$Date: 2023-03-24 18:37:27 +0200 (Fri, 24 Mar 2023) $ #$Revision: 282053 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/92/9009284.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_9009284 loop_ _publ_author_name 'Menchetti, S.' 'Sabelli, C.' _publ_section_title ;Crystal chemistry of the alunite series: crystal structure refinement of alunite and synthetic jarosite Note: none of the reported bond lengths can be reproduced Locality: Montioni, Toscana, Italy ; _journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte' _journal_page_first 406 _journal_page_last 417 _journal_volume 1976 _journal_year 1976 _chemical_compound_source 'Montioni, Toscana, Italy' _chemical_formula_sum 'Al3 H6 K O14 S2' _chemical_name_mineral Alunite _space_group_IT_number 166 _symmetry_space_group_name_Hall '-R 3 2"' _symmetry_space_group_name_H-M 'R -3 m :H' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 7.020 _cell_length_b 7.020 _cell_length_c 17.223 _cell_volume 735.045 _database_code_amcsd 0014755 _exptl_crystal_density_diffrn 2.807 _cod_original_cell_volume 735.044 _cod_original_sg_symbol_H-M 'R -3 m' _cod_original_formula_sum 'K Al3 S2 O14 H6' _cod_database_code 9009284 loop_ _space_group_symop_operation_xyz x,y,z 2/3+x,1/3+y,1/3+z 1/3+x,2/3+y,2/3+z x,x-y,z 2/3+x,1/3+x-y,1/3+z 1/3+x,2/3+x-y,2/3+z y,x,-z 2/3+y,1/3+x,1/3-z 1/3+y,2/3+x,2/3-z -x+y,y,z 2/3-x+y,1/3+y,1/3+z 1/3-x+y,2/3+y,2/3+z -x,-x+y,-z 2/3-x,1/3-x+y,1/3-z 1/3-x,2/3-x+y,2/3-z -y,-x,z 2/3-y,1/3-x,1/3+z 1/3-y,2/3-x,2/3+z x-y,-y,-z 2/3+x-y,1/3-y,1/3-z 1/3+x-y,2/3-y,2/3-z y,-x+y,-z 2/3+y,1/3-x+y,1/3-z 1/3+y,2/3-x+y,2/3-z -x+y,-x,z 2/3-x+y,1/3-x,1/3+z 1/3-x+y,2/3-x,2/3+z -x,-y,-z 2/3-x,1/3-y,1/3-z 1/3-x,2/3-y,2/3-z -y,x-y,z 2/3-y,1/3+x-y,1/3+z 1/3-y,2/3+x-y,2/3+z x-y,x,-z 2/3+x-y,1/3+x,1/3-z 1/3+x-y,2/3+x,2/3-z 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 K 0.01389 0.01389 0.00917 0.00695 0.00000 0.00000 Al 0.00339 0.00427 0.00646 0.00170 -0.00027 -0.00011 S 0.00614 0.00614 0.00556 0.00307 0.00000 0.00000 O1 0.01122 0.01122 0.00436 0.00560 0.00000 0.00000 O2 0.00983 0.00983 0.00676 0.00760 -0.00058 0.00058 Oh 0.00511 0.00511 0.00977 0.00198 0.00122 -0.00122 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv K 0.00000 0.00000 0.00000 0.01229 Al 0.00000 0.50000 0.50000 0.00481 S 0.00000 0.00000 0.30290 0.00595 O1 0.00000 0.00000 0.38715 0.00887 O2 0.21788 -0.21788 -0.05998 0.00760 O-h 0.12587 -0.12587 0.14256 0.00697 H 0.17400 -0.17400 0.12000 0.01697