data_[Sm6Mg8Cd8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Mg  1.3100  1.5000  0.8600
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.4732]
_cell_length_b [5.0578]
_cell_length_c [31.6522]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Sm3(MgCd)4]
_chemical_formula_sum '[Sm6 Mg8 Cd8]'
_cell_volume [556.0253]
_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  4  0.0000  0.0000  0.3584  1.0
  Sm  Sm1  2  0.0000  0.5000  0.5000  1.0
  Mg  Mg2  4  0.0000  0.0000  0.0935  1.0
  Mg  Mg3  4  0.0000  0.5000  0.2357  1.0
  Cd  Cd4  4  0.0000  0.0000  0.1836  1.0
  Cd  Cd5  4  0.0000  0.5000  0.0483  1.0
]