data_[Nd4Mn2Tl6Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  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 [7.3296]
_cell_length_b [12.3506]
_cell_length_c [8.1498]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.5486]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Nd2Mn(TlSe2)3]
_chemical_formula_sum '[Nd4 Mn2 Tl6 Se12]'
_cell_volume [699.4339]
_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
[
  Nd  Nd0  4  0.0000  0.3360  0.0000  1.0
  Mn  Mn1  2  0.0000  0.0000  0.0000  1.0
  Tl  Tl2  4  0.0000  0.1734  0.5000  1.0
  Tl  Tl3  2  0.0000  0.5000  0.5000  1.0
  Se  Se4  8  0.2116  0.1473  0.1908  1.0
  Se  Se5  4  0.2479  0.0000  0.7737  1.0
]