data_[Sm12Ag4Sb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Ag  1.9300  1.6000  1.0867
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [7.9212]
_cell_length_b [15.5692]
_cell_length_c [5.0318]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Sm3AgSb]
_chemical_formula_sum '[Sm12 Ag4 Sb4]'
_cell_volume [620.5527]
_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  4  0.0000  0.1573  0.0000  1
  Sm  Sm1  4  0.1801  0.5000  0.5000  1
  Sm  Sm2  4  0.2500  0.2500  0.5000  1
  Ag  Ag3  4  0.0000  0.0861  0.5000  1
  Sb  Sb4  4  0.0000  0.3627  0.0000  1
]