data_[Y4Cu4Sn4]
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 [Imm2]
_cell_length_a [4.5408]
_cell_length_b [7.3671]
_cell_length_c [7.7940]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [YCuSn]
_chemical_formula_sum '[Y4 Cu4 Sn4]'
_cell_volume [260.7287]
_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
[
  Y  Y0  2  0.0000  0.0000  0.1840  1.0
  Y  Y1  2  0.0000  0.5000  0.2179  1.0
  Cu  Cu2  4  0.0000  0.1891  0.5294  1.0
  Sn  Sn3  4  0.0000  0.2618  0.8621  1.0
]