data_[Ti4Cu2S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ti  1.5400  1.4000  0.8517
  Cu  1.9000  1.3500  0.8200
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.0829]
_cell_length_b [3.4170]
_cell_length_c [5.8910]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.1378]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ti2CuS4]
_chemical_formula_sum '[Ti4 Cu2 S8]'
_cell_volume [236.4231]
_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  4  0.2475  0.5000  0.7555  1.0
  Cu  Cu1  2  0.0000  0.0000  0.0000  1.0
  S  S2  4  0.1245  0.0000  0.7931  1.0
  S  S3  4  0.1276  0.5000  0.2971  1.0
]