data_[Sm8Zn20Ag12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Zn  1.6500  1.3500  0.8800
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [11.5479]
_cell_length_b [11.8294]
_cell_length_c [5.9377]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Sm2Zn5Ag3]
_chemical_formula_sum '[Sm8 Zn20 Ag12]'
_cell_volume [811.1240]
_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  0.1244  0.2452  0.0000  1.0
  Zn  Zn1  8  0.1325  0.1374  0.5000  1.0
  Zn  Zn2  8  0.2496  0.5000  0.2500  1.0
  Zn  Zn3  4  0.0000  0.5000  0.2500  1.0
  Ag  Ag4  8  0.1233  0.3555  0.5000  1.0
  Ag  Ag5  4  0.0000  0.0000  0.2500  1.0
]