data_[Dy4Tl1Te1Se2]
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
  Te  2.1000  1.4000  1.2933
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.3871]
_cell_length_b [4.1221]
_cell_length_c [7.4153]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.3044]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Dy4TlTeSe2]
_chemical_formula_sum '[Dy4 Tl1 Te1 Se2]'
_cell_volume [214.3705]
_cell_formula_units_Z [1]
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  2  0.2464  0.5000  0.2344  1
  Dy  Dy1  2  0.2647  0.0000  0.7686  1
  Tl  Tl2  1  0.5000  0.0000  0.5000  1
  Te  Te3  1  0.0000  0.5000  0.5000  1
  Se  Se4  1  0.0000  0.0000  0.0000  1
  Se  Se5  1  0.5000  0.5000  0.0000  1
]