data_[Rb4Tb4Mn2Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  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 [C2/m]
_cell_length_a [7.0324]
_cell_length_b [12.0182]
_cell_length_c [8.5418]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.9038]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Tb2MnSe6]
_chemical_formula_sum '[Rb4 Tb4 Mn2 Se12]'
_cell_volume [690.7315]
_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  4  0.0000  0.1735  0.0000  1.0
  Tb  Tb1  4  0.0000  0.3323  0.5000  1.0
  Mn  Mn2  2  0.0000  0.0000  0.5000  1.0
  Se  Se3  8  0.2178  0.1493  0.6858  1.0
  Se  Se4  4  0.2324  0.0000  0.3180  1.0
]