data_[Hf4Ti2Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hf  1.3000  1.5500  0.8500
  Ti  1.5400  1.4000  0.8517
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.3163]
_cell_length_b [3.6180]
_cell_length_c [6.4983]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.6470]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Hf2TiSe4]
_chemical_formula_sum '[Hf4 Ti2 Se8]'
_cell_volume [300.8388]
_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
[
  Hf  Hf0  4  0.2478  0.5000  0.7233  1.0
  Ti  Ti1  2  0.0000  0.0000  0.0000  1.0
  Se  Se2  4  0.1125  0.0000  0.4447  1.0
  Se  Se3  4  0.1251  0.5000  0.9552  1.0
]