data_[Rb4Ti2Zn2S8]
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
  Zn  1.6500  1.3500  0.8800
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [I-4]
_cell_length_a [7.1001]
_cell_length_b [7.1001]
_cell_length_c [9.2294]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [82]
_chemical_formula_structural [Rb2TiZnS4]
_chemical_formula_sum '[Rb4 Ti2 Zn2 S8]'
_cell_volume [465.2602]
_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
  Rb  Rb1  2  0.0000  0.5000  0.7500  1
  Ti  Ti2  2  0.0000  0.0000  0.5000  1
  Zn  Zn3  2  0.0000  0.5000  0.2500  1
  S  S4  8  0.1332  0.2400  0.3719  1
]