#------------------------------------------------------------------------------
#$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $
#$Revision: 19 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9002410.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_9002410
_chemical_name 'Cordierite'
loop_
_publ_author_name
'Geiger C A'
'Armbruster T'
'Khomenko V'
'Quartieri S'
_journal_name_full "American Mineralogist"
_journal_volume 85
_journal_year 2000
_journal_page_first 1255
_journal_page_last 1264
_publ_section_title
;
 Cordierite I: The coordination of Fe2+
 Sample: C005
;
_chemical_formula_sum 'Si5 Al4 Mg2 C4 O18'
_cell_length_a 17.101
_cell_length_b 9.736
_cell_length_c 9.331
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1553.568
_symmetry_space_group_name_H-M 'C c c m'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,y,1/2+z'
  '1/2-x,1/2+y,1/2+z'
  'x,-y,1/2-z'
  '1/2+x,1/2-y,1/2-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
_atom_site_occupancy
Si21   0.30792   0.07805   0.00000   1.00000
Si16   0.00000   0.00000   0.25000   1.00000
Si23   0.36486   0.23691   0.50000   1.00000
Al26   0.05055   0.19245   0.00000   1.00000
Al11   0.25000   0.25000   0.25005   1.00000
MgM   0.16248   0.00000   0.25000   1.00000
CH0   0.50000   0.00000   0.50000   1.00000
CH1   0.50000   0.00000   0.25000   1.00000
CH2   0.45272   0.00000   0.25000   1.00000
O16   0.06208   0.08413   0.15114   1.00000
O11   0.25328   0.10318   0.14144   1.00000
O13   0.32664   0.30963   0.64171   1.00000
O21   0.37794   0.18492   0.00000   1.00000
O26   0.45664   0.24873   0.50000   1.00000
O23   0.33579  -0.07929   0.00000   1.00000