data_[Y8Cu8Sn4]
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 [C2/c]
_cell_length_a [10.0660]
_cell_length_b [5.5636]
_cell_length_c [7.8631]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.4870]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Y2Cu2Sn]
_chemical_formula_sum '[Y8 Cu8 Sn4]'
_cell_volume [428.2130]
_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  8  0.1481  0.3572  0.1487  1.0
  Cu  Cu1  8  0.1445  0.1436  0.4986  1.0
  Sn  Sn2  4  0.0000  0.1566  0.7500  1.0
]