data_[Zr16Ta4Cr4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zr  1.3300  1.5500  0.8600
  Ta  1.5000  1.4500  0.8200
  Cr  1.6600  1.4000  0.9400
]
_symmetry_space_group_name_H-M [F-43m]
_cell_length_a [8.0502]
_cell_length_b [8.0502]
_cell_length_c [8.0502]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [216]
_chemical_formula_structural [Zr4TaCr]
_chemical_formula_sum '[Zr16 Ta4 Cr4]'
_cell_volume [521.6997]
_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
[
  Zr  Zr0  16  0.1261  0.1261  0.6261  1
  Ta  Ta1  4  0.0000  0.0000  0.0000  1
  Cr  Cr2  4  0.2500  0.2500  0.2500  1
]