data_[Nd12Tm4Sn8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Tm  1.2500  1.7500  1.0950
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [6.5628]
_cell_length_b [17.4460]
_cell_length_c [6.5349]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Nd3TmSn2]
_chemical_formula_sum '[Nd12 Tm4 Sn8]'
_cell_volume [748.2123]
_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
[
  Nd  Nd0  8  0.2463  0.3254  0.5000  1.0
  Nd  Nd1  4  0.0000  0.5000  0.2500  1.0
  Tm  Tm2  4  0.0000  0.0000  0.2500  1.0
  Sn  Sn3  8  0.2425  0.1373  0.5000  1.0
]