data_[Ce4Sm4C4Br10]
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
  C  2.5500  0.7000  0.3000
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.5639]
_cell_length_b [3.9026]
_cell_length_c [8.2501]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.2585]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ce2Sm2C2Br5]
_chemical_formula_sum '[Ce4 Sm4 C4 Br10]'
_cell_volume [607.6966]
_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  0.1592  0.5000  0.1030  1
  Sm  Sm1  4  0.0000  0.0000  0.8000  1
  C  C2  4  0.0373  0.5000  0.0222  1
  Br  Br3  4  0.1572  0.0000  0.3777  1
  Br  Br4  4  0.1636  0.0000  0.8203  1
  Br  Br5  2  0.0000  0.5000  0.5000  1
]