data_[Tm4Ni2Sn2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Ni  1.9100  1.3500  0.7400
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.0232]
_cell_length_b [4.1519]
_cell_length_c [8.0400]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.4904]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Tm2NiSn]
_chemical_formula_sum '[Tm4 Ni2 Sn2]'
_cell_volume [187.0828]
_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
[
  Tm  Tm0  2  0.2024  0.2500  0.4501  1.0
  Tm  Tm1  2  0.2243  0.2500  0.8972  1.0
  Ni  Ni2  2  0.3405  0.7500  0.7064  1.0
  Sn  Sn3  2  0.3320  0.7500  0.2087  1.0
]