data_[K2Dy2Mg2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Dy  1.2200  1.7500  1.1310
  Mg  1.3100  1.5000  0.8600
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [9.0482]
_cell_length_b [4.2501]
_cell_length_c [10.1164]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.3790]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KDyMgSe3]
_chemical_formula_sum '[K2 Dy2 Mg2 Se6]'
_cell_volume [371.2752]
_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
[
  K  K0  2  0.2065  0.2500  0.2230  1.0
  Dy  Dy1  2  0.3318  0.7500  0.8653  1.0
  Mg  Mg2  2  0.0848  0.2500  0.6097  1.0
  Se  Se3  2  0.1124  0.2500  0.8656  1.0
  Se  Se4  2  0.2088  0.7500  0.5427  1.0
  Se  Se5  2  0.4618  0.7500  0.1555  1.0
]