data_[Y8Cu2Ag2]
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
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [6.9718]
_cell_length_b [7.1877]
_cell_length_c [6.9553]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.5187]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Y4CuAg]
_chemical_formula_sum '[Y8 Cu2 Ag2]'
_cell_volume [347.4542]
_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  4  0.1626  0.6534  0.8751  1
  Y  Y1  4  0.3484  0.1628  0.8249  1
  Cu  Cu2  2  0.5000  0.0000  0.5000  1
  Ag  Ag3  2  0.0000  0.0000  0.0000  1
]