data_[Tb2Tm2C4Br4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Tm  1.2500  1.7500  1.0950
  C  2.5500  0.7000  0.3000
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [7.0136]
_cell_length_b [3.7598]
_cell_length_c [10.9337]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.7629]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [TbTm(CBr)2]
_chemical_formula_sum '[Tb2 Tm2 C4 Br4]'
_cell_volume [287.3230]
_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  0.3558  0.5000  0.3679  1
  Tm  Tm1  2  0.1455  0.0000  0.6310  1
  C  C2  2  0.0759  0.5000  0.4695  1
  C  C3  2  0.4256  0.0000  0.5375  1
  Br  Br4  2  0.1763  0.0000  0.1932  1
  Br  Br5  2  0.3210  0.5000  0.8009  1
]