data_[Zr4Fe6Si2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zr  1.3300  1.5500  0.8600
  Fe  1.8300  1.4000  0.8525
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [P6_3/mmc]
_cell_length_a [4.9922]
_cell_length_b [4.9922]
_cell_length_c [8.0672]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [194]
_chemical_formula_structural [Zr2Fe3Si]
_chemical_formula_sum '[Zr4 Fe6 Si2]'
_cell_volume [174.1155]
_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
[
  Zr  Zr0  4  0.3333  0.6667  0.5638  1.0
  Fe  Fe1  6  0.1697  0.3393  0.2500  1.0
  Si  Si2  2  0.0000  0.0000  0.0000  1.0
]