data_[Sm20Zn8Ag8]
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 [Cmce]
_cell_length_a [17.0945]
_cell_length_b [7.4749]
_cell_length_c [7.5976]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [64]
_chemical_formula_structural [Sm5(ZnAg)2]
_chemical_formula_sum '[Sm20 Zn8 Ag8]'
_cell_volume [970.8170]
_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  16  0.1376  0.1799  0.6801  1.0
  Sm  Sm1  4  0.0000  0.0000  0.0000  1.0
  Zn  Zn2  8  0.0000  0.1166  0.3800  1.0
  Ag  Ag3  8  0.2179  0.0000  0.0000  1.0
]