data_[La2Dy2Er2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Dy  1.2200  1.7500  1.1310
  Er  1.2400  1.7500  1.0300
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [8.0051]
_cell_length_b [4.1105]
_cell_length_c [10.2666]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.0067]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [LaDyErSe3]
_chemical_formula_sum '[La2 Dy2 Er2 Se6]'
_cell_volume [327.7777]
_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
[
  La  La0  2  0.1877  0.7500  0.2122  1
  Dy  Dy1  2  0.3324  0.2500  0.9096  1
  Er  Er2  2  0.1680  0.7500  0.6217  1
  Se  Se3  2  0.0889  0.7500  0.8869  1
  Se  Se4  2  0.2058  0.2500  0.4457  1
  Se  Se5  2  0.4835  0.2500  0.1964  1
]