data_[Tb2Dy2C4Br4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Dy  1.2200  1.7500  1.1310
  C  2.5500  0.7000  0.3000
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [7.0709]
_cell_length_b [3.7951]
_cell_length_c [10.9843]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.6201]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [TbDy(CBr)2]
_chemical_formula_sum '[Tb2 Dy2 C4 Br4]'
_cell_volume [293.8032]
_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
[
  Tb  Tb0  2  0.3553  0.5000  0.3678  1
  Dy  Dy1  2  0.1450  0.0000  0.6319  1
  C  C2  2  0.0751  0.5000  0.4675  1
  C  C3  2  0.4253  0.0000  0.5344  1
  Br  Br4  2  0.1771  0.0000  0.1952  1
  Br  Br5  2  0.3222  0.5000  0.8032  1
]