data_[Mg4Ga2Cu2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Ga  1.8100  1.3000  0.7600
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.3889]
_cell_length_b [4.2869]
_cell_length_c [6.2691]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.1302]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Mg2GaCu]
_chemical_formula_sum '[Mg4 Ga2 Cu2]'
_cell_volume [138.4039]
_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
[
  Mg  Mg0  2  0.1416  0.7500  0.9145  1.0
  Mg  Mg1  2  0.2158  0.7500  0.4259  1.0
  Ga  Ga2  2  0.3532  0.2500  0.7451  1.0
  Cu  Cu3  2  0.3835  0.2500  0.1801  1.0
]