data_[K4La2Al2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  La  1.1000  1.9500  1.1720
  Al  1.6100  1.2500  0.6750
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [6.9770]
_cell_length_b [7.3200]
_cell_length_c [5.9215]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [K2LaAlO4]
_chemical_formula_sum '[K4 La2 Al2 O8]'
_cell_volume [302.4227]
_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
[
  K  K0  4  0.2411  0.3495  0.0197  1
  La  La1  2  0.0000  0.1135  0.5032  1
  Al  Al2  2  0.0000  0.8320  0.9973  1
  O  O3  4  0.2202  0.7161  0.0716  1
  O  O4  2  0.0000  0.0575  0.1208  1
  O  O5  2  0.0000  0.8529  0.6960  1
]