data_[Mn2Tl4Cr4Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mn  1.5500  1.4000  0.6483
  Tl  1.6200  1.9000  1.3325
  Cr  1.6600  1.4000  0.9400
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.4324]
_cell_length_b [11.1703]
_cell_length_c [7.9400]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.1840]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [MnTl2(CrSe3)2]
_chemical_formula_sum '[Mn2 Tl4 Cr4 Se12]'
_cell_volume [547.8923]
_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
[
  Mn  Mn0  2  0.0000  0.0000  0.5000  1.0
  Tl  Tl1  4  0.0000  0.1688  0.0000  1.0
  Cr  Cr2  4  0.0000  0.3309  0.5000  1.0
  Se  Se3  8  0.2273  0.1643  0.6787  1.0
  Se  Se4  4  0.2301  0.5000  0.6774  1.0
]