data_[Sm10Dy8Hg8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Dy  1.2200  1.7500  1.1310
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [I4/m]
_cell_length_a [12.1485]
_cell_length_b [12.1485]
_cell_length_c [5.1808]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [87]
_chemical_formula_structural [Sm5(DyHg)4]
_chemical_formula_sum '[Sm10 Dy8 Hg8]'
_cell_volume [764.6184]
_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
[
  Sm  Sm0  8  0.1183  0.1847  0.5000  1
  Sm  Sm1  2  0.0000  0.0000  0.0000  1
  Dy  Dy2  8  0.0978  0.3948  0.0000  1
  Hg  Hg3  8  0.0949  0.7595  0.0000  1
]