data_[Pr4Sm4B2Br6Cl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Sm  1.1700  1.8500  1.2290
  B  2.0400  0.8500  0.4100
  Br  2.9600  1.1500  0.8825
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.3318]
_cell_length_b [4.0332]
_cell_length_c [8.5875]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.8160]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pr2Sm2BBr3Cl2]
_chemical_formula_sum '[Pr4 Sm4 B2 Br6 Cl4]'
_cell_volume [616.5553]
_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  4  0.0002  0.0000  0.2144  1
  Sm  Sm1  4  0.1446  0.5000  0.0811  1
  B  B2  2  0.0000  0.5000  0.0000  1
  Br  Br3  4  0.1731  0.0000  0.8440  1
  Br  Br4  2  0.0000  0.5000  0.5000  1
  Cl  Cl5  4  0.1638  0.0000  0.3131  1
]