data_[Rb2Li2Tl4Se4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Li  0.9800  1.4500  0.9000
  Tl  1.6200  1.9000  1.3325
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [4.4834]
_cell_length_b [11.1726]
_cell_length_c [7.7806]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [RbLi(TlSe)2]
_chemical_formula_sum '[Rb2 Li2 Tl4 Se4]'
_cell_volume [389.7378]
_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  0.4734  0.0277  1.0
  Li  Li1  2  0.5000  0.2680  0.6107  1.0
  Tl  Tl2  2  0.0000  0.1449  0.3698  1.0
  Tl  Tl3  2  0.5000  0.1234  0.9877  1.0
  Se  Se4  2  0.0000  0.2366  0.7519  1.0
  Se  Se5  2  0.5000  0.3252  0.2977  1.0
]