data_[Sr4Al4Ge2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Al  1.6100  1.2500  0.6750
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.6827]
_cell_length_b [4.1758]
_cell_length_c [14.2107]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Sr2Al2Ge]
_chemical_formula_sum '[Sr4 Al4 Ge2]'
_cell_volume [277.8751]
_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
[
  Sr  Sr0  2  0.0000  0.0000  0.0683  1
  Sr  Sr1  2  0.0000  0.0000  0.3188  1
  Al  Al2  2  0.5000  0.0000  0.4916  1
  Al  Al3  2  0.5000  0.0000  0.6904  1
  Ge  Ge4  2  0.5000  0.0000  0.8888  1
]