data_[Ti4Si2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ti  1.5400  1.4000  0.8517
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [3.6636]
_cell_length_b [3.6636]
_cell_length_c [7.0783]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [Ti2Si]
_chemical_formula_sum '[Ti4 Si2]'
_cell_volume [95.0077]
_cell_formula_units_Z [2]
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  2  0.0000  0.0000  0.0000  1.0
  Ti  Ti1  2  0.0000  0.5000  0.3586  1.0
  Si  Si2  2  0.0000  0.5000  0.7267  1.0
]