data_[Ti4Al4O16]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I4_1md]
_cell_length_a [6.4260]
_cell_length_b [6.4260]
_cell_length_c [5.8663]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [109]
_chemical_formula_structural [TiAlO4]
_chemical_formula_sum '[Ti4 Al4 O16]'
_cell_volume [242.2396]
_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  4  0.0000  0.0000  0.7568  1
  Al  Al1  4  0.0000  0.0000  0.2495  1
  O  O2  8  0.0000  0.2993  0.2544  1
  O  O3  8  0.0000  0.3034  0.7424  1
]