data_[Dy8Si4Br12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Si  1.9000  1.1000  0.5400
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.8430]
_cell_length_b [4.0402]
_cell_length_c [12.7321]
_cell_angle_alpha [90.0000]
_cell_angle_beta [129.3162]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Dy2SiBr3]
_chemical_formula_sum '[Dy8 Si4 Br12]'
_cell_volume [749.8937]
_cell_formula_units_Z [4]
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
[
  Dy  Dy0  4  0.1113  0.5000  0.4409  1
  Dy  Dy1  4  0.1262  0.0000  0.8171  1
  Si  Si2  4  0.0592  0.5000  0.6174  1
  Br  Br3  4  0.0451  0.0000  0.2295  1
  Br  Br4  4  0.1756  0.5000  0.0252  1
  Br  Br5  4  0.2432  0.0000  0.6158  1
]