data_[Sr6Mg9Cd36Ag3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Mg  1.3100  1.5000  0.8600
  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 [6.7897]
_cell_length_b [6.7897]
_cell_length_c [36.5582]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Sr2Mg3Cd12Ag]
_chemical_formula_sum '[Sr6 Mg9 Cd36 Ag3]'
_cell_volume [1459.5567]
_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  0.3588  1
  Mg  Mg1  9  0.0000  0.5000  0.5000  1
  Cd  Cd2  18  0.0048  0.5024  0.6094  1
  Cd  Cd3  18  0.0443  0.5221  0.1125  1
  Ag  Ag4  3  0.0000  0.0000  0.0000  1
]