data_[Zr4Ti8Zn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zr  1.3300  1.5500  0.8600
  Ti  1.5400  1.4000  0.8517
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [I-42d]
_cell_length_a [3.9157]
_cell_length_b [3.9157]
_cell_length_c [19.5101]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [122]
_chemical_formula_structural [ZrTi2Zn]
_chemical_formula_sum '[Zr4 Ti8 Zn4]'
_cell_volume [299.1457]
_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  4  0.0000  0.0000  0.0000  1
  Ti  Ti1  8  0.2473  0.7500  0.6250  1
  Zn  Zn2  4  0.0000  0.0000  0.5000  1
]