data_global
_chemical_name_mineral 'Chiolite'
loop_
_publ_author_name
'Brosset C'
_journal_name_full 'Zeitschrift fur Anorganische und Allgemeine Chemie'
_journal_volume 238 
_journal_year 1938
_journal_page_first 201
_journal_page_last 208
_publ_section_title
;
 Die kristallstruktur des chioliths
;
_database_code_amcsd 0015747
_chemical_formula_sum 'Na5 Al3 F14'
_cell_length_a 7.00
_cell_length_b 7.00
_cell_length_c 10.39
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 509.110
_exptl_crystal_density_diffrn      3.013
_symmetry_space_group_name_H-M 'P 4/m n c'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2-y,1/2-x,1/2+z'
  '1/2+y,1/2+x,1/2-z'
  'y,-x,-z'
  '-y,x,z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  'x,y,-z'
  '-x,-y,z'
  '1/2+y,1/2+x,1/2+z'
  '1/2-y,1/2-x,1/2-z'
  '-y,x,-z'
  'y,-x,z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Na1   0.00000   0.00000   0.50000
Na2   0.27500   0.77500   0.25000
Al1   0.00000   0.00000   0.00000
Al2   0.00000   0.50000   0.00000
F1   0.00000   0.00000   0.18500
F2   0.07000   0.25000   0.00000
F3   0.21000   0.53500   0.12000