data_[Na3Sr6P9Pt36]
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
  P  2.1900  1.0000  0.5500
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [8.4828]
_cell_length_b [8.4828]
_cell_length_c [17.1868]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [NaSr2(PPt4)3]
_chemical_formula_sum '[Na3 Sr6 P9 Pt36]'
_cell_volume [1071.0307]
_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
[
  Na  Na0  3  0.0000  0.0000  0.0000  1
  Sr  Sr1  6  0.0000  0.0000  0.3942  1
  P  P2  9  0.0000  0.5000  0.5000  1
  Pt  Pt3  18  0.0040  0.5020  0.3700  1
  Pt  Pt4  18  0.0477  0.5239  0.8572  1
]