data_[Cs2Al2Sn2Ge2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Al  1.6100  1.2500  0.6750
  Sn  1.9600  1.4500  0.8300
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [4.2042]
_cell_length_b [4.2042]
_cell_length_c [15.1235]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [CsAlSnGe]
_chemical_formula_sum '[Cs2 Al2 Sn2 Ge2]'
_cell_volume [267.3181]
_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
[
  Cs  Cs0  2  0.0000  0.5000  0.2523  1.0
  Al  Al1  2  0.0000  0.0000  0.0000  1.0
  Sn  Sn2  2  0.0000  0.0000  0.5000  1.0
  Ge  Ge3  2  0.0000  0.5000  0.8925  1.0
]