data_[Sm20Dy12Hg8]
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 [Ibam]
_cell_length_a [11.5643]
_cell_length_b [16.3562]
_cell_length_c [6.8027]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Sm5Dy3Hg2]
_chemical_formula_sum '[Sm20 Dy12 Hg8]'
_cell_volume [1286.7255]
_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
[
  Sm  Sm0  8  0.0000  0.3078  0.2500  1
  Sm  Sm1  8  0.2307  0.4425  0.0000  1
  Sm  Sm2  4  0.0000  0.5000  0.2500  1
  Dy  Dy3  8  0.2224  0.1712  0.0000  1
  Dy  Dy4  4  0.0000  0.0000  0.2500  1
  Hg  Hg5  8  0.0548  0.1584  0.5000  1
]