data_[Zr16Al4Ni4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zr  1.3300  1.5500  0.8600
  Al  1.6100  1.2500  0.6750
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.1097]
_cell_length_b [21.0472]
_cell_length_c [7.4089]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Zr4AlNi]
_chemical_formula_sum '[Zr16 Al4 Ni4]'
_cell_volume [484.9141]
_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  8  0.0000  0.1623  0.5445  1
  Zr  Zr1  4  0.0000  0.0000  0.0000  1
  Zr  Zr2  4  0.0000  0.4117  0.7500  1
  Al  Al3  4  0.0000  0.2769  0.7500  1
  Ni  Ni4  4  0.0000  0.4296  0.2500  1
]