data_[Sm16Mg4Pt4]
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
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [I4_1md]
_cell_length_a [9.3405]
_cell_length_b [9.3405]
_cell_length_c [9.8492]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [109]
_chemical_formula_structural [Sm4MgPt]
_chemical_formula_sum '[Sm16 Mg4 Pt4]'
_cell_volume [859.2894]
_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  0.3039  0.2742  1
  Sm  Sm1  8  0.0000  0.3180  0.7249  1
  Mg  Mg2  4  0.0000  0.0000  0.7540  1
  Pt  Pt3  4  0.0000  0.0000  0.2477  1
]