data_[Sr6Si6Pt9]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Si  1.9000  1.1000  0.5400
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [4.1949]
_cell_length_b [4.1949]
_cell_length_c [31.9999]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [Sr2Si2Pt3]
_chemical_formula_sum '[Sr6 Si6 Pt9]'
_cell_volume [487.6634]
_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  3  0.0000  0.0000  0.2456  1
  Sr  Sr1  3  0.0000  0.0000  0.7492  1
  Si  Si2  3  0.0000  0.0000  0.4918  1
  Si  Si3  3  0.0000  0.0000  0.9960  1
  Pt  Pt4  3  0.0000  0.0000  0.1517  1
  Pt  Pt5  3  0.0000  0.0000  0.3483  1
  Pt  Pt6  3  0.0000  0.0000  0.6423  1
]