data_[Sr6Pm3Cd36Ag9]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Pm  1.1300  1.8500  1.1100
  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 [8.6479]
_cell_length_b [8.6479]
_cell_length_c [24.4356]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Sr2Pm(Cd4Ag)3]
_chemical_formula_sum '[Sr6 Pm3 Cd36 Ag9]'
_cell_volume [1582.6231]
_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  0.4064  1
  Pm  Pm1  3  0.0000  0.0000  0.0000  1
  Cd  Cd2  18  0.0810  0.5405  0.7707  1
  Cd  Cd3  18  0.0947  0.5473  0.3797  1
  Ag  Ag4  9  0.0000  0.5000  0.5000  1
]