data_[Sr9Cd21Ag6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Cd  1.6900  1.5500  1.0900
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [6.1050]
_cell_length_b [6.1050]
_cell_length_c [29.4330]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Sr3Cd7Ag2]
_chemical_formula_sum '[Sr9 Cd21 Ag6]'
_cell_volume [950.0372]
_cell_formula_units_Z [3]
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
[
  Sr  Sr0  6  0.0000  0.0000  0.1433  1.0
  Sr  Sr1  3  0.0000  0.0000  0.0000  1.0
  Cd  Cd2  18  0.0048  0.5024  0.9192  1.0
  Cd  Cd3  3  -0.0000  -0.0000  0.5000  1.0
  Ag  Ag4  6  0.0000  0.0000  0.3345  1.0
]