data_[Li4Mg2Al4Cu4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Mg  1.3100  1.5000  0.8600
  Al  1.6100  1.2500  0.6750
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.1609]
_cell_length_b [4.2909]
_cell_length_c [7.1423]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.8678]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Li2Mg(AlCu)2]
_chemical_formula_sum '[Li4 Mg2 Al4 Cu4]'
_cell_volume [239.3484]
_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
[
  Li  Li0  4  0.1291  0.0000  0.2224  1
  Mg  Mg1  2  0.0000  0.5000  0.5000  1
  Al  Al2  4  0.2095  0.0000  0.8316  1
  Cu  Cu3  4  0.0533  0.5000  0.8603  1
]