data_[Nd2Tm2Sn4]
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 [Pmc2_1]
_cell_length_a [4.3305]
_cell_length_b [6.2101]
_cell_length_c [8.4914]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [NdTmSn2]
_chemical_formula_sum '[Nd2 Tm2 Sn4]'
_cell_volume [228.3554]
_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
[
  Nd  Nd0  2  0.0000  0.1285  0.6826  1.0
  Tm  Tm1  2  0.5000  0.3749  0.3175  1.0
  Sn  Sn2  2  0.0000  0.4042  0.0430  1.0
  Sn  Sn3  2  0.5000  0.0912  0.9569  1.0
]