data_[Dy4Tm6Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Tm  1.2500  1.7500  1.0950
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.9859]
_cell_length_b [12.0381]
_cell_length_c [6.9698]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.4723]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Dy2(TmSe2)3]
_chemical_formula_sum '[Dy4 Tm6 Se12]'
_cell_volume [552.6146]
_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  0.0000  0.1648  0.5000  1
  Tm  Tm1  4  0.0000  0.3340  0.0000  1
  Tm  Tm2  2  0.0000  0.0000  0.0000  1
  Se  Se3  8  0.2475  0.3361  0.7515  1
  Se  Se4  4  0.2430  0.5000  0.2512  1
]