data_[Mg4Al2Ga4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Al  1.6100  1.2500  0.6750
  Ga  1.8100  1.3000  0.7600
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [6.9169]
_cell_length_b [6.9169]
_cell_length_c [4.0788]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Mg2AlGa2]
_chemical_formula_sum '[Mg4 Al2 Ga4]'
_cell_volume [195.1445]
_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  4  0.1720  0.3280  0.5000  1.0
  Al  Al1  2  0.0000  0.0000  0.0000  1.0
  Ga  Ga2  4  0.1337  0.6337  0.0000  1.0
]