data_[Ti8As4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ti  1.5400  1.4000  0.8517
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [3.6866]
_cell_length_b [3.6866]
_cell_length_c [14.2316]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Ti2As]
_chemical_formula_sum '[Ti8 As4]'
_cell_volume [193.4250]
_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  0.3218  1.0
  Ti  Ti1  4  0.0000  0.5000  0.0000  1.0
  As  As2  4  0.0000  0.0000  0.1375  1.0
]