data_[K6Ba3Na6Sb6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ba  0.8900  2.1500  1.4900
  Na  0.9300  1.8000  1.1600
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [5.4992]
_cell_length_b [5.4992]
_cell_length_c [29.4430]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [K2Ba(NaSb)2]
_chemical_formula_sum '[K6 Ba3 Na6 Sb6]'
_cell_volume [771.1026]
_cell_formula_units_Z [3]
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  6  0.0000  0.0000  0.1340  1
  Ba  Ba1  3  0.0000  0.0000  0.0000  1
  Na  Na2  6  0.0000  0.0000  0.3955  1
  Sb  Sb3  6  0.0000  0.0000  0.2634  1
]