data_[Tb4Tm8Ni8]
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
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.6147]
_cell_length_b [29.4831]
_cell_length_c [4.2278]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Tb(TmNi)2]
_chemical_formula_sum '[Tb4 Tm8 Ni8]'
_cell_volume [450.5740]
_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  0.0000  0.3766  0.7500  1
  Tm  Tm1  4  0.0000  0.0470  0.7500  1
  Tm  Tm2  4  0.0000  0.2847  0.2500  1
  Ni  Ni3  4  0.0000  0.1445  0.7500  1
  Ni  Ni4  4  0.0000  0.4744  0.7500  1
]