data_[K2Al2Bi2Te6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Al  1.6100  1.2500  0.6750
  Bi  2.0200  1.6000  1.0350
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [10.0468]
_cell_length_b [4.4412]
_cell_length_c [11.0367]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.7652]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KAlBiTe3]
_chemical_formula_sum '[K2 Al2 Bi2 Te6]'
_cell_volume [486.7060]
_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  2  0.1690  0.7500  0.1884  1
  Al  Al1  2  0.0808  0.7500  0.6055  1
  Bi  Bi2  2  0.3616  0.2500  0.8450  1
  Te  Te3  2  0.1177  0.7500  0.8424  1
  Te  Te4  2  0.1807  0.2500  0.5059  1
  Te  Te5  2  0.4342  0.2500  0.1506  1
]