data_[Al2Si2Pt4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [P2_1/m]
_cell_length_a [3.8403]
_cell_length_b [5.4019]
_cell_length_c [6.3769]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.7995]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [AlSiPt2]
_chemical_formula_sum '[Al2 Si2 Pt4]'
_cell_volume [132.1308]
_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
[
  Al  Al0  2  0.2377  0.2500  0.9198  1.0
  Si  Si1  2  0.2118  0.7500  0.6032  1.0
  Pt  Pt2  4  0.2791  0.5009  0.2746  1.0
]