data_[Sm6Zn8Ag8]
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 [Immm]
_cell_length_a [3.6985]
_cell_length_b [4.5715]
_cell_length_c [28.1769]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Sm3(ZnAg)4]
_chemical_formula_sum '[Sm6 Zn8 Ag8]'
_cell_volume [476.4017]
_cell_formula_units_Z [2]
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  0.5000  0.1423  1.0
  Sm  Sm1  2  0.0000  0.0000  0.0000  1.0
  Zn  Zn2  4  0.0000  0.0000  0.4545  1.0
  Zn  Zn3  4  0.0000  0.5000  0.3115  1.0
  Ag  Ag4  4  0.0000  0.0000  0.2589  1.0
  Ag  Ag5  4  0.0000  0.5000  0.4057  1.0
]