data_[Cs4Mn4Tl4Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Mn  1.5500  1.4000  0.6483
  Tl  1.6200  1.9000  1.3325
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.3489]
_cell_length_b [4.3727]
_cell_length_c [10.7038]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.5865]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [CsMnTlSe2]
_chemical_formula_sum '[Cs4 Mn4 Tl4 Se8]'
_cell_volume [739.3266]
_cell_formula_units_Z [4]
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
[
  Cs  Cs0  4  0.2234  0.0000  0.7560  1.0
  Mn  Mn1  4  0.0590  0.0000  0.9337  1.0
  Tl  Tl2  4  0.0747  0.5000  0.3684  1.0
  Se  Se3  4  0.1052  0.0000  0.2053  1.0
  Se  Se4  4  0.1065  0.5000  0.8667  1.0
]