#------------------------------------------------------------------------------ #$Date: 2013-05-05 17:21:46 +0300 (Sun, 05 May 2013) $ #$Revision: 85285 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/74/9007488.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_9007488 loop_ _publ_author_name 'Lajzerowicz, J.' _publ_section_title ; Etude par diffraction des rayons X et absorption infra-rouge de la barysilite, MnPb8.3Si2O7, et de composes isomorphes ; _journal_name_full 'Acta Crystallographica' _journal_page_first 357 _journal_page_last 363 _journal_volume 20 _journal_year 1965 _chemical_formula_sum 'Mn O21 Pb8 Si6' _chemical_name_mineral Barysilite _space_group_IT_number 167 _symmetry_space_group_name_Hall '-R 3 2"c' _symmetry_space_group_name_H-M 'R -3 c :H' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_length_a 9.821 _cell_length_b 9.821 _cell_length_c 38.38 _cell_volume 3205.878 _exptl_crystal_density_diffrn 6.890 _[local]_cod_cif_authors_sg_H-M 'R -3 c' _[local]_cod_chemical_formula_sum_orig 'Pb8 Mn Si6 O21' _cod_database_code 9007488 loop_ _symmetry_equiv_pos_as_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,1/2+z 2/3+x,1/3+x-y,5/6+z 1/3+x,2/3+x-y,1/6+z y,x,1/2-z 2/3+y,1/3+x,5/6-z 1/3+y,2/3+x,1/6-z -x+y,y,1/2+z 2/3-x+y,1/3+y,5/6+z 1/3-x+y,2/3+y,1/6+z -x,-x+y,1/2-z 2/3-x,1/3-x+y,5/6-z 1/3-x,2/3-x+y,1/6-z -y,-x,1/2+z 2/3-y,1/3-x,5/6+z 1/3-y,2/3-x,1/6+z x-y,-y,1/2-z 2/3+x-y,1/3-y,5/6-z 1/3+x-y,2/3-y,1/6-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_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Pb1 0.25600 0.23600 0.03930 0.00633 Pb2 0.00000 0.00000 0.16290 0.01140 Mn 0.00000 0.00000 0.25000 0.00380 Si 0.68000 0.68000 0.04300 0.13932 O1 0.61000 0.00000 0.25000 0.00253 O2 0.79000 0.83000 0.01900 -0.00127 O3 0.73000 0.55000 0.05000 0.00380 O4 0.52000 0.60000 0.02300 0.01013