data_[Na4Ce2Al2Ge4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ce  1.1200  1.8500  1.0800
  Al  1.6100  1.2500  0.6750
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [4.3692]
_cell_length_b [8.7233]
_cell_length_c [7.4332]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [Na2CeAlGe2]
_chemical_formula_sum '[Na4 Ce2 Al2 Ge4]'
_cell_volume [283.3067]
_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
[
  Na  Na0  2  0.0000  0.1548  0.8461  1
  Na  Na1  2  0.5000  0.0824  0.5244  1
  Ce  Ce2  2  0.0000  0.4461  0.4958  1
  Al  Al3  2  0.5000  0.3225  0.1564  1
  Ge  Ge4  2  0.0000  0.1802  0.2394  1
  Ge  Ge5  2  0.5000  0.3868  0.7836  1
]