data_[Pr12Ni4C2Br6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Ni  1.9100  1.3500  0.7400
  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 [6.9829]
_cell_length_b [12.0950]
_cell_length_c [7.9678]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.8581]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pr6Ni2CBr3]
_chemical_formula_sum '[Pr12 Ni4 C2 Br6]'
_cell_volume [644.0357]
_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
[
  Pr  Pr0  8  0.2206  0.1558  0.1922  1
  Pr  Pr1  4  0.2467  0.0000  0.8063  1
  Ni  Ni2  4  0.0000  0.3335  0.0000  1
  C  C3  2  0.0000  0.0000  0.0000  1
  Br  Br4  4  0.0000  0.1679  0.5000  1
  Br  Br5  2  0.0000  0.5000  0.5000  1
]