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#$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $
#$Revision: 14 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9000532.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_9000532
_chemical_name 'Braunite'
loop_
_publ_author_name
'Moore P B'
'Araki T'
_journal_name_full "American Mineralogist"
_journal_volume 61
_journal_year 1976
_journal_page_first 1226
_journal_page_last 1240
_publ_section_title
;
 Braunite: its structure and relationship to bixbyite, and some insights on the
 genealogy of fluorite derivative structures
;
_chemical_formula_sum 'Mn7 Si O12'
_cell_length_a 9.408
_cell_length_b 9.408
_cell_length_c 18.668
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1652.313
_symmetry_space_group_name_H-M 'I 41/a c d'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  '1/4-y,3/4-x,3/4+z'
  '3/4-y,1/4-x,1/4+z'
  '1/4+y,3/4+x,3/4-z'
  '3/4+y,1/4+x,1/4-z'
  '1/4+y,3/4-x,1/4-z'
  '3/4+y,1/4-x,3/4-z'
  '1/4-y,3/4+x,1/4+z'
  '3/4-y,1/4+x,3/4+z'
  '1/2+x,-y,z'
  '+x,1/2-y,1/2+z'
  '1/2-x,y,-z'
  '-x,1/2+y,1/2-z'
  '1/2+x,y,1/2-z'
  '+x,1/2+y,-z'
  '1/2-x,-y,1/2+z'
  '-x,1/2-y,+z'
  '1/4+y,1/4+x,1/4+z'
  '3/4+y,3/4+x,3/4+z'
  '1/4-y,1/4-x,1/4-z'
  '3/4-y,3/4-x,3/4-z'
  '1/4-y,1/4+x,3/4-z'
  '3/4-y,3/4+x,1/4-z'
  '1/4+y,1/4-x,3/4+z'
  '3/4+y,3/4-x,1/4+z'
  '-x,y,1/2+z'
  '1/2-x,1/2+y,+z'
  'x,-y,1/2-z'
  '1/2+x,1/2-y,-z'
  '-x,-y,-z'
  '1/2-x,1/2-y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Mn1   0.00000   0.25000   0.12500
Mn2   0.00000   0.00000   0.00000
Mn3   0.25000   0.21570   0.00000
Mn4   0.23180   0.48180   0.12500
Si   0.00000   0.25000   0.37500
O1   0.14870   0.85370   0.94530
O2   0.14570   0.07340   0.05690
O3   0.07870   0.13470   0.92500