data_[Na3Sr1Cd8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [6.0888]
_cell_length_b [6.0888]
_cell_length_c [9.8312]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [Na3SrCd8]
_chemical_formula_sum '[Na3 Sr1 Cd8]'
_cell_volume [315.6495]
_cell_formula_units_Z [1]
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
[
  Na  Na0  1  0.0000  0.0000  0.0549  1.0
  Na  Na1  1  0.6667  0.3333  0.5719  1.0
  Na  Na2  1  0.6667  0.3333  0.9389  1.0
  Sr  Sr3  1  0.0000  0.0000  0.4376  1.0
  Cd  Cd4  3  0.1625  0.3250  0.7518  1.0
  Cd  Cd5  3  0.5045  0.0091  0.2468  1.0
  Cd  Cd6  1  0.3333  0.6667  0.5018  1.0
  Cd  Cd7  1  0.3333  0.6667  0.9992  1.0
]