data_[Dy12Tl2As6Se4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Tl  1.6200  1.9000  1.3325
  As  2.1800  1.1500  0.6600
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.0699]
_cell_length_b [4.1124]
_cell_length_c [8.3935]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.1111]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Dy6TlAs3Se2]
_chemical_formula_sum '[Dy12 Tl2 As6 Se4]'
_cell_volume [607.4686]
_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
[
  Dy  Dy0  4  0.0005  0.0000  0.2663  1.0
  Dy  Dy1  4  0.1650  0.5000  0.5921  1.0
  Dy  Dy2  4  0.1720  0.5000  0.0813  1.0
  Tl  Tl3  2  0.0000  0.5000  0.0000  1.0
  As  As4  4  0.1670  0.0000  0.8330  1.0
  As  As5  2  0.0000  0.5000  0.5000  1.0
  Se  Se6  4  0.1691  0.0000  0.3396  1.0
]