data_global
_chemical_name_mineral 'Cordylite-(Ce)'
loop_
_publ_author_name
'Giester G'
'Ni Y'
'Jarosch D'
'Hughes J M'
'Ronsbo J G'
'Yang Z'
'Zemann J'
_journal_name_full 'American Mineralogist'
_journal_volume 83 
_journal_year 1998
_journal_page_first 178
_journal_page_last 184
_publ_section_title
;
 Cordylite-(Ce): A crystal chemical investigation of material from four
 localities, including type material
 Sample: from Narssarssuk, Greenland, determined by the Miami group,
 refinement based on F
;
_database_code_amcsd 0001965
_chemical_formula_sum 'Ba Ce2 Na F C4 O12'
_cell_length_a 5.09155
_cell_length_b 5.09155
_cell_length_c 23.070
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 517.939
_exptl_crystal_density_diffrn      4.486
_symmetry_space_group_name_H-M 'P 63/m m c'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-x+y,1/2+z'
  'x,x-y,1/2-z'
  '-x+y,-x,1/2-z'
  'x-y,x,1/2+z'
  '-y,-x,z'
  'y,x,-z'
  'y,-x+y,-z'
  '-y,x-y,z'
  'x-y,-y,1/2+z'
  '-x+y,y,1/2-z'
  'x,y,1/2-z'
  '-x,-y,1/2+z'
  'x,x-y,z'
  '-x,-x+y,-z'
  'x-y,x,-z'
  '-x+y,-x,z'
  'y,x,1/2+z'
  '-y,-x,1/2-z'
  '-y,x-y,1/2-z'
  'y,-x+y,1/2+z'
  '-x+y,y,z'
  'x-y,-y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Ba   0.00000   0.00000   0.00000   0.02400
Ce   0.33333   0.66667   0.35351   0.00930
Na   0.33333   0.66667   0.75000   0.02000
F   0.33333   0.66667   0.25000   0.02700
C1   0.00000   0.00000   0.68020   0.01200
C2   0.66667   0.33333   0.43260   0.01100
O1   0.14480   0.28960   0.67610   0.01400
O2   0.52100   0.04200   0.43500   0.01900