data_[Y8Mg4Cu8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Mg  1.3100  1.5000  0.8600
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.0838]
_cell_length_b [5.5075]
_cell_length_c [8.0996]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.1425]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Y2MgCu2]
_chemical_formula_sum '[Y8 Mg4 Cu8]'
_cell_volume [434.2089]
_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  0.1473  0.3374  0.6468  1.0
  Mg  Mg1  4  0.0000  0.1590  0.2500  1.0
  Cu  Cu2  8  0.1410  0.1547  0.9999  1.0
]