data_[Tb8Tm4Al4]
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
  Al  1.6100  1.2500  0.6750
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [9.2879]
_cell_length_b [9.2909]
_cell_length_c [5.0948]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Tb2TmAl]
_chemical_formula_sum '[Tb8 Tm4 Al4]'
_cell_volume [439.6473]
_cell_formula_units_Z [4]
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  4  0.1959  0.0000  0.0000  1
  Tb  Tb1  4  0.2500  0.2500  0.5000  1
  Tm  Tm2  4  0.0000  0.3047  0.0000  1
  Al  Al3  2  0.0000  0.0000  0.5000  1
  Al  Al4  2  0.0000  0.5000  0.5000  1
]