data_[Ti16Al8Cu4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ti  1.5400  1.4000  0.8517
  Al  1.6100  1.2500  0.6750
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.4610]
_cell_length_b [18.6694]
_cell_length_c [5.4258]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Ti4Al2Cu]
_chemical_formula_sum '[Ti16 Al8 Cu4]'
_cell_volume [451.8789]
_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
[
  Ti  Ti0  8  0.0000  0.3564  0.0167  1
  Ti  Ti1  4  0.0000  0.0649  0.7500  1
  Ti  Ti2  4  0.0000  0.2139  0.2500  1
  Al  Al3  4  0.0000  0.2112  0.7500  1
  Al  Al4  4  0.0000  0.4859  0.7500  1
  Cu  Cu5  4  0.0000  0.0806  0.2500  1
]