data_[Dy4Mg4Cl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Mg  1.3100  1.5000  0.8600
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [17.4920]
_cell_length_b [3.4655]
_cell_length_c [5.9985]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [DyMgCl]
_chemical_formula_sum '[Dy4 Mg4 Cl4]'
_cell_volume [363.6169]
_cell_formula_units_Z [4]
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  0.3430  0.0000  0.3285  1
  Mg  Mg1  2  0.0000  0.0000  0.4485  1
  Mg  Mg2  2  0.5000  0.0000  0.6641  1
  Cl  Cl3  4  0.0891  0.0000  0.7819  1
]