data_[K4La2Al4Sb8]
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
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.8940]
_cell_length_b [4.4455]
_cell_length_c [8.4676]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.3543]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2La(AlSb2)2]
_chemical_formula_sum '[K4 La2 Al4 Sb8]'
_cell_volume [603.5908]
_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  0.1339  0.0000  0.5538  1.0
  La  La1  2  0.0000  0.0000  0.0000  1.0
  Al  Al2  4  0.1683  0.5000  0.9691  1.0
  Sb  Sb3  4  0.0166  0.5000  0.7375  1.0
  Sb  Sb4  4  0.2059  0.0000  0.1767  1.0
]