data_[Tb3Tm3Ga3Se3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Tm  1.2500  1.7500  1.0950
  Ga  1.8100  1.3000  0.7600
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [3.9419]
_cell_length_b [3.9419]
_cell_length_c [21.8204]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [TbTmGaSe]
_chemical_formula_sum '[Tb3 Tm3 Ga3 Se3]'
_cell_volume [293.6387]
_cell_formula_units_Z [3]
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
[
  Tb  Tb0  3  0.0000  0.0000  0.0012  1.0
  Tm  Tm1  3  0.0000  0.0000  0.4986  1.0
  Ga  Ga2  3  0.0000  0.0000  0.2485  1.0
  Se  Se3  3  0.0000  0.0000  0.7517  1.0
]