data_[Nd2Gd2C4Br4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Gd  1.2000  1.8000  1.0750
  C  2.5500  0.7000  0.3000
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [7.2309]
_cell_length_b [3.8947]
_cell_length_c [11.0507]
_cell_angle_alpha [90.0000]
_cell_angle_beta [99.3775]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [NdGd(CBr)2]
_chemical_formula_sum '[Nd2 Gd2 C4 Br4]'
_cell_volume [307.0551]
_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
[
  Nd  Nd0  2  0.0942  0.5000  0.8631  1
  Gd  Gd1  2  0.4039  0.0000  0.1356  1
  C  C2  2  0.0870  0.0000  0.0374  1
  C  C3  2  0.4152  0.5000  0.9728  1
  Br  Br4  2  0.2094  0.0000  0.6845  1
  Br  Br5  2  0.2904  0.5000  0.3066  1
]