data_[Rb2Tb2Sn2S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tb  1.1000  1.7500  0.9815
  Sn  1.9600  1.4500  0.8300
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.8052]
_cell_length_b [6.9891]
_cell_length_c [9.2519]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.1548]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbTbSnS4]
_chemical_formula_sum '[Rb2 Tb2 Sn2 S8]'
_cell_volume [418.1340]
_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  0.2627  0.2500  0.0561  1.0
  Tb  Tb1  2  0.2101  0.2500  0.5484  1.0
  Sn  Sn2  2  0.2446  0.7500  0.3391  1.0
  S  S3  4  0.0075  0.5064  0.6954  1.0
  S  S4  2  0.4548  0.7500  0.1772  1.0
  S  S5  2  0.4830  0.7500  0.5892  1.0
]