data_[K2Sn1Sb1Br8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Sn  1.9600  1.4500  0.8300
  Sb  2.0500  1.4500  0.8300
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.1708]
_cell_length_b [8.7138]
_cell_length_c [7.4797]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.6502]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [K2SnSbBr8]
_chemical_formula_sum '[K2 Sn1 Sb1 Br8]'
_cell_volume [465.8302]
_cell_formula_units_Z [1]
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  0.5000  0.2490  0.5000  1
  Sn  Sn1  1  0.0000  0.5000  0.0000  1
  Sb  Sb2  1  0.0000  0.0000  0.0000  1
  Br  Br3  4  0.2274  0.2494  0.8817  1
  Br  Br4  2  0.2033  0.5000  0.3261  1
  Br  Br5  2  0.2066  0.0000  0.3299  1
]