data_[K6Ag3As3Br18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ag  1.9300  1.6000  1.0867
  As  2.1800  1.1500  0.6600
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.7595]
_cell_length_b [7.7595]
_cell_length_c [18.5021]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [K2AgAsBr6]
_chemical_formula_sum '[K6 Ag3 As3 Br18]'
_cell_volume [964.7616]
_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  3  0.0000  0.0000  0.0555  1.0
  K  K1  3  0.0000  0.0000  0.5572  1.0
  Ag  Ag2  3  0.0000  0.0000  0.8170  1.0
  As  As3  3  0.0000  0.0000  0.3181  1.0
  Br  Br4  9  0.0162  0.5794  0.0687  1.0
  Br  Br5  9  0.1031  0.3453  0.9034  1.0
]