data_[Sm4Zn16Ag4]
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 [Pbam]
_cell_length_a [8.3106]
_cell_length_b [16.4676]
_cell_length_c [3.3188]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [SmZn4Ag]
_chemical_formula_sum '[Sm4 Zn16 Ag4]'
_cell_volume [454.1997]
_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  0.1231  0.1555  0.0000  1
  Zn  Zn1  4  0.0279  0.6948  0.5000  1
  Zn  Zn2  4  0.1219  0.9600  0.5000  1
  Zn  Zn3  4  0.1319  0.5506  0.5000  1
  Zn  Zn4  4  0.2138  0.8094  0.5000  1
  Ag  Ag5  4  0.1274  0.4146  0.0000  1
]