data_global
_chemical_name_mineral 'Bastnasite-(Ce)'
loop_
_publ_author_name
'Ni Y'
'Hughes J M'
'Mariano A N'
_journal_name_full 'American Mineralogist'
_journal_volume 78 
_journal_year 1993
_journal_page_first 415
_journal_page_last 418
_publ_section_title
;
 The atomic arrangement of bastnasite-(Ce), Ce(CO3)F, and structural elements of
 synchysite-(Ce), rontgenite-(Ce), and parisite-(Ce)
;
_database_code_amcsd 0001553
_chemical_formula_sum 'Ce C O3 F'
_cell_length_a 7.1175
_cell_length_b 7.1175
_cell_length_c 9.7619
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 428.272
_exptl_crystal_density_diffrn      5.098
_symmetry_space_group_name_H-M 'P -6 2 c'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-x+y,1/2+z'
  '-x+y,-x,1/2-z'
  'y,x,-z'
  '-y,x-y,z'
  'x-y,-y,1/2+z'
  'x,y,1/2-z'
  '-x,-x+y,-z'
  '-x+y,-x,z'
  'y,x,1/2+z'
  '-y,x-y,1/2-z'
  'x-y,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Ce   0.33941   0.00000   0.00000   0.00456
C   0.32200   0.29000   0.25000   0.00760
O1   0.31600   0.10900   0.25000   0.01140
O2   0.32450   0.38280   0.13540   0.01267
F1   0.00000   0.00000   0.00000   0.01013
F2   0.66667   0.33333   0.05100   0.00887