data_[Sr4Ta4Pt4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Ta  1.5000  1.4500  0.8200
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.7110]
_cell_length_b [4.4207]
_cell_length_c [18.0315]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [SrTaPt]
_chemical_formula_sum '[Sr4 Ta4 Pt4]'
_cell_volume [295.8130]
_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
[
  Sr  Sr0  4  0.0000  0.5000  0.3283  1
  Ta  Ta1  2  0.0000  0.0000  0.0000  1
  Ta  Ta2  2  0.0000  0.0000  0.5000  1
  Pt  Pt3  4  0.0000  0.5000  0.1076  1
]