data_[Y4Cu2Ni2]
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 [P2_1/m]
_cell_length_a [5.4577]
_cell_length_b [4.3850]
_cell_length_c [7.4679]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.1417]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Y2CuNi]
_chemical_formula_sum '[Y4 Cu2 Ni2]'
_cell_volume [167.7928]
_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  0.2170  0.7500  0.9323  1.0
  Y  Y1  2  0.2247  0.7500  0.4280  1.0
  Cu  Cu2  2  0.3535  0.2500  0.7143  1.0
  Ni  Ni3  2  0.3585  0.2500  0.2153  1.0
]