data_[Sm4Zn8Ag12]
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 [C2/m]
_cell_length_a [16.3017]
_cell_length_b [4.3125]
_cell_length_c [7.8706]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.1631]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [SmZn2Ag3]
_chemical_formula_sum '[Sm4 Zn8 Ag12]'
_cell_volume [487.8001]
_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  0.1438  0.0000  0.0619  1.0
  Zn  Zn1  4  0.0183  0.5000  0.1667  1.0
  Zn  Zn2  4  0.2060  0.0000  0.7256  1.0
  Ag  Ag3  4  0.0443  0.0000  0.3796  1.0
  Ag  Ag4  4  0.1027  0.5000  0.7012  1.0
  Ag  Ag5  4  0.1872  0.5000  0.4523  1.0
]