data_[Ce2Pm2Co2Br2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Pm  1.1300  1.8500  1.1100
  Co  1.8800  1.3500  0.7683
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [6.6669]
_cell_length_b [4.0706]
_cell_length_c [8.1242]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.3199]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [CePmCoBr]
_chemical_formula_sum '[Ce2 Pm2 Co2 Br2]'
_cell_volume [209.3017]
_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  2  0.1273  0.0000  0.0487  1
  Pm  Pm1  2  0.3629  0.0000  0.6696  1
  Co  Co2  2  0.2766  0.5000  0.8885  1
  Br  Br3  2  0.0807  0.5000  0.3629  1
]