data_[Sm24Ag18]
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
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [14.0541]
_cell_length_b [14.0541]
_cell_length_c [6.5370]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Sm4Ag3]
_chemical_formula_sum '[Sm24 Ag18]'
_cell_volume [1118.1956]
_cell_formula_units_Z [6]
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  18  0.0505  0.2489  0.1720  1.0
  Sm  Sm1  3  0.0000  0.0000  0.0000  1.0
  Sm  Sm2  3  0.0000  0.0000  0.5000  1.0
  Ag  Ag3  18  0.0487  0.2291  0.6897  1.0
]