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#$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $
#$Revision: 19 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9001068.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_9001068
_chemical_name 'Olivine'
loop_
_publ_author_name
'Miyake M'
'Nakamura H'
'Kojima H'
'Marumo F'
_journal_name_full "American Mineralogist"
_journal_volume 72
_journal_year 1987
_journal_page_first 594
_journal_page_last 598
_publ_section_title
;
 Cation ordering in Co-Mg olivine solid-solution series
 Sample: Co18
;
_chemical_formula_sum '(Co1.735 Mg.265) Si O4'
_cell_length_a 4.780
_cell_length_b 10.290
_cell_length_c 5.997
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 294.970
_symmetry_space_group_name_H-M 'P b n m'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  'x,y,1/2-z'
  '-x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  '1/2-x,1/2+y,z'
  '1/2+x,1/2-y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Co1   0.00000   0.00000   0.00000   0.92800
Mg1   0.00000   0.00000   0.00000   0.07200
Co2   0.99110   0.27650   0.25000   0.80700
Mg2   0.99110   0.27650   0.25000   0.19300
Si   0.42770   0.09480   0.25000   1.00000
O1   0.76650   0.09210   0.25000   1.00000
O2   0.21540   0.44830   0.25000   1.00000
O3   0.28160   0.16410   0.03370   1.00000