#------------------------------------------------------------------------------ #$Date: 2013-05-05 17:21:46 +0300 (Sun, 05 May 2013) $ #$Revision: 85285 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/00/9000069.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_9000069 loop_ _publ_author_name 'Donaldson, D. M.' 'Barnes, W. H.' _publ_section_title ; The structures of the minerals of the descloizite and adelite groups: III- brackebuschite ; _journal_name_full 'American Mineralogist' _journal_page_first 597 _journal_page_last 613 _journal_volume 40 _journal_year 1955 _chemical_formula_sum 'Mn O8 Pb2 V2' _chemical_name_mineral Brackebuschite _symmetry_space_group_name_H-M 'B 1 21/m 1' _cell_angle_alpha 90 _cell_angle_beta 93.75 _cell_angle_gamma 90 _cell_length_a 7.681 _cell_length_b 6.155 _cell_length_c 16.524 _cell_volume 779.525 _exptl_crystal_density_diffrn 5.958 _[local]_cod_chemical_formula_sum_orig 'Pb2 V2 Mn O8' _cod_database_code 9000069 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,y,1/2+z x,1/2-y,z 1/2+x,1/2-y,1/2+z -x,1/2+y,-z 1/2-x,1/2+y,1/2-z -x,-y,-z 1/2-x,-y,1/2-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Pb1 0.11490 0.25000 0.37450 0.02406 Pb2 0.62330 0.25000 0.29890 0.02406 V1 0.64620 0.25000 0.08650 0.00633 V2 0.12330 0.25000 0.16440 0.00633 Mn 0.00000 0.00000 0.00000 0.01900 O1 0.11400 0.02300 0.10400 ? O2 0.94100 0.25000 0.23000 ? O3 0.29900 0.25000 0.24700 ? O4 0.63200 0.02300 0.14500 ? O5 0.45500 0.25000 0.01700 ? O6 0.84600 0.25000 0.02400 ?