data_[Li2Tb2Mn2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Tb  1.1000  1.7500  0.9815
  Mn  1.5500  1.4000  0.6483
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.8742]
_cell_length_b [3.9248]
_cell_length_c [8.7124]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.7346]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [LiTbMnSe3]
_chemical_formula_sum '[Li2 Tb2 Mn2 Se6]'
_cell_volume [260.3971]
_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
[
  Li  Li0  2  0.0982  0.2500  0.5943  1.0
  Tb  Tb1  2  0.1974  0.2500  0.2373  1.0
  Mn  Mn2  2  0.3308  0.7500  0.8375  1.0
  Se  Se3  2  0.0940  0.2500  0.8750  1.0
  Se  Se4  2  0.2403  0.7500  0.5027  1.0
  Se  Se5  2  0.4315  0.7500  0.1536  1.0
]