data_[Sm8Mg12Au16]
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
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [Cmce]
_cell_length_a [6.1144]
_cell_length_b [16.2147]
_cell_length_c [7.9811]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [64]
_chemical_formula_structural [Sm2Mg3Au4]
_chemical_formula_sum '[Sm8 Mg12 Au16]'
_cell_volume [791.2675]
_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  0.1059  0.5919  1.0
  Mg  Mg1  8  0.2500  0.2215  0.2500  1.0
  Mg  Mg2  4  0.0000  0.0000  0.0000  1.0
  Au  Au3  8  0.0000  0.1782  0.9592  1.0
  Au  Au4  8  0.2500  0.0523  0.2500  1.0
]