data_[Sr4Al2Si2Pt12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Al  1.6100  1.2500  0.6750
  Si  1.9000  1.1000  0.5400
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.9573]
_cell_length_b [5.6733]
_cell_length_c [8.0445]
_cell_angle_alpha [90.0000]
_cell_angle_beta [129.8340]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sr2AlSiPt6]
_chemical_formula_sum '[Sr4 Al2 Si2 Pt12]'
_cell_volume [419.0587]
_cell_formula_units_Z [2]
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  4  0.2390  0.5000  0.6888  1
  Al  Al1  2  0.0000  0.0000  0.5000  1
  Si  Si2  2  0.0000  0.5000  0.0000  1
  Pt  Pt3  8  0.0218  0.2439  0.7848  1
  Pt  Pt4  4  0.2497  0.0000  0.8712  1
]