data_[Ce4Sm2F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Sm  1.1700  1.8500  1.2290
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.9971]
_cell_length_b [4.0329]
_cell_length_c [5.5241]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.4638]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ce2SmF8]
_chemical_formula_sum '[Ce4 Sm2 F16]'
_cell_volume [315.0114]
_cell_formula_units_Z [2]
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
[
  Ce  Ce0  4  0.1794  0.0000  0.6983  1.0
  Sm  Sm1  2  0.0000  0.5000  0.0000  1.0
  F  F2  4  0.0268  0.0000  0.8026  1.0
  F  F3  4  0.0968  0.5000  0.4241  1.0
  F  F4  4  0.1527  0.5000  0.9574  1.0
  F  F5  4  0.2171  0.0000  0.3012  1.0
]