#------------------------------------------------------------------------------
#$Date: 2008-01-13 22:15:36 +0000 (Sun, 13 Jan 2008) $
#$Revision: 14 $
#$URL: svn://www.crystallography.net/cod/cif/9/9000288.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_9000288
_chemical_name 'RbFeSi3O8'
loop_
_publ_author_name
'Brunton G D'
'Harris L A'
'Kopp O C'
_journal_name_full "American Mineralogist"
_journal_volume 57
_journal_year 1972
_journal_page_first 1720
_journal_page_last 1728
_publ_section_title
;
 Crystal structure of a rubidium iron feldspar
;
_chemical_formula_sum 'Rb (Si2.912 Fe1.088) O8'
_cell_length_a 8.952
_cell_length_b 13.127
_cell_length_c 7.359
_cell_angle_alpha 90.05
_cell_angle_beta 116.47
_cell_angle_gamma 89.35
_cell_volume 774.063
_symmetry_space_group_name_H-M 'C -1'
loop_
_symmetry_equiv_pos_as_xyz
  '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
Rb1   0.29248  -0.00054   0.14784   1.00000
Si1o   0.00710  -0.80854   0.21900   0.51300
Fe1o   0.00710  -0.80854   0.21900   0.48700
Si1m   0.00730  -0.19027   0.22280   0.61100
Fe1m   0.00730  -0.19027   0.22280   0.38900
Si2o   0.72020  -0.88080   0.34220   0.89000
Fe2o   0.72020  -0.88080   0.34220   0.11000
Si2m   0.71970  -0.11780   0.34430   0.89800
Fe2m   0.71970  -0.11780   0.34430   0.10200
OA1   0.66570   0.00080   0.28210   1.00000
OA2   0.00020  -0.14820   0.00510   1.00000
OBo   0.82170  -0.84220   0.22280   1.00000
OBm   0.82420  -0.15760   0.22720   1.00000
OCo   0.04670  -0.67990   0.26330   1.00000
OCm   0.04580  -0.31720   0.26710   1.00000
ODo   0.17360  -0.87490   0.41140   1.00000
ODm   0.17020  -0.12640   0.41380   1.00000