data_[Tm2Cu2Sn2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Cu  1.9000  1.3500  0.8200
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P-6m2]
_cell_length_a [4.4820]
_cell_length_b [4.4820]
_cell_length_c [7.2553]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [187]
_chemical_formula_structural [TmCuSn]
_chemical_formula_sum '[Tm2 Cu2 Sn2]'
_cell_volume [126.2203]
_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  1  0.0000  0.0000  0.0000  1.0
  Tm  Tm1  1  0.0000  0.0000  0.5000  1.0
  Cu  Cu2  2  0.6667  0.3333  0.6878  1.0
  Sn  Sn3  2  0.3333  0.6667  0.2331  1.0
]