data_[Al2Zn1Ge1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Al  1.6100  1.2500  0.6750
  Zn  1.6500  1.3500  0.8800
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [3.3469]
_cell_length_b [3.3469]
_cell_length_c [6.0989]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [Al2ZnGe]
_chemical_formula_sum '[Al2 Zn1 Ge1]'
_cell_volume [68.3184]
_cell_formula_units_Z [1]
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
[
  Al  Al0  2  0.0000  0.0000  0.2556  1
  Zn  Zn1  1  0.5000  0.5000  0.5000  1
  Ge  Ge2  1  0.5000  0.5000  0.0000  1
]