data_[Sm8Al8Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Al  1.6100  1.2500  0.6750
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.8245]
_cell_length_b [4.6279]
_cell_length_c [10.9883]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.9671]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm2Al2Ag]
_chemical_formula_sum '[Sm8 Al8 Ag4]'
_cell_volume [486.1752]
_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  0.0094  0.0000  0.3255  1.0
  Sm  Sm1  4  0.1854  0.0000  0.1055  1.0
  Al  Al2  4  0.0175  0.5000  0.8877  1.0
  Al  Al3  4  0.1384  0.5000  0.5606  1.0
  Ag  Ag4  4  0.2262  0.5000  0.3512  1.0
]