#------------------------------------------------------------------------------
#$Date: 2008-01-14 00:15:36 +0200 (Mon, 14 Jan 2008) $
#$Revision: 14 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/9009552.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_9009552
_chemical_name 'Arctite'
loop_
_publ_author_name
'Sokolova E V'
'Yamnova N A'
'Egorov-Tismenko Yu K'
'Khomyakov A P'
_journal_name_full "Doklady Akademii Nauk SSSR"
_journal_volume 274
_journal_year 1984
_journal_page_first 78
_journal_page_last 83
_publ_section_title
;
 The crystal structure of a new phosphate of Na,Ca and Ba: (Na5Ca)Ca6Ba(PO4)6F3
;
_chemical_formula_sum 'Na5 Ca7 Ba P6 O24 F3'
_cell_length_a 14.366
_cell_length_b 14.366
_cell_length_c 14.366
_cell_angle_alpha 28.58
_cell_angle_beta 28.58
_cell_angle_gamma 28.58
_cell_volume 599.786
_symmetry_space_group_name_H-M 'R -3 m'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-x,-z,-y'
  '-z,-x,-y'
  'y,x,z'
  'y,z,x'
  '-z,-y,-x'
  '-x,-y,-z'
  'x,z,y'
  'z,x,y'
  '-y,-x,-z'
  '-y,-z,-x'
  'z,y,x'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Na1   0.31300   0.31300   0.78280   0.83333
Ca1   0.31300   0.31300   0.78280   0.16667
Ca   0.44308   0.44308   0.92830   1.00000
Ba   0.00000   0.00000   0.00000   1.00000
P1   0.67541   0.67541   0.67541   1.00000
P2   0.20725   0.20725   0.20725   1.00000
P3   0.08372   0.08372   0.08372   1.00000
O1   0.12070   0.12070   0.12070   1.00000
O2   0.19000   0.19000   0.83450   1.00000
O3   0.19380   0.19380   0.54450   1.00000
O4   0.24500   0.24500   0.24500   1.00000
O5   0.36210   0.36210   0.36210   1.00000
O6   0.31460   0.31460   0.95990   1.00000
F1   0.50000   0.50000   0.50000   1.00000
F2   0.42926   0.42926   0.42926   1.00000