data_[Rb2Ti4S4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ti  1.5400  1.4000  0.8517
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [7.9112]
_cell_length_b [7.9112]
_cell_length_c [3.2182]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Rb(TiS)2]
_chemical_formula_sum '[Rb2 Ti4 S4]'
_cell_volume [201.4179]
_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
[
  Rb  Rb0  2  0.0000  0.0000  0.0000  1
  Ti  Ti1  4  0.1066  0.3934  0.0000  1
  S  S2  4  0.1455  0.6455  0.5000  1
]