data_[Y2Cu4Sn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Cu  1.9000  1.3500  0.8200
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [4.5606]
_cell_length_b [4.2744]
_cell_length_c [10.5807]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.8541]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Y(CuSn)2]
_chemical_formula_sum '[Y2 Cu4 Sn4]'
_cell_volume [206.1490]
_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
[
  Y  Y0  2  0.2840  0.7500  0.7633  1.0
  Cu  Cu1  2  0.2481  0.7500  0.3583  1.0
  Cu  Cu2  2  0.3315  0.2500  0.9937  1.0
  Sn  Sn3  2  0.1795  0.7500  0.1220  1.0
  Sn  Sn4  2  0.2467  0.2500  0.5078  1.0
]