data_[Y8Cu4Ni8]
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
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.1808]
_cell_length_b [5.2915]
_cell_length_c [7.6775]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.3455]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Y2CuNi2]
_chemical_formula_sum '[Y8 Cu4 Ni8]'
_cell_volume [361.3410]
_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  0.1489  0.3594  0.1491  1.0
  Cu  Cu1  4  0.0000  0.1501  0.7500  1.0
  Ni  Ni2  8  0.1349  0.1359  0.5026  1.0
]