data_[Na4Ac4Pt8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ac  1.1000  1.9500  1.2600
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [8.2728]
_cell_length_b [4.7572]
_cell_length_c [10.2751]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [NaAcPt2]
_chemical_formula_sum '[Na4 Ac4 Pt8]'
_cell_volume [404.3791]
_cell_formula_units_Z [4]
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  4  0.0157  0.7500  0.4049  1
  Ac  Ac1  4  0.1327  0.2500  0.1408  1
  Pt  Pt2  4  0.1423  0.2500  0.8411  1
  Pt  Pt3  4  0.2297  0.7500  0.9258  1
]