data_[K2Ni2Br12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ni  1.9100  1.3500  0.7400
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.4216]
_cell_length_b [10.2208]
_cell_length_c [6.8194]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.9752]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KNiBr6]
_chemical_formula_sum '[K2 Ni2 Br12]'
_cell_volume [527.6897]
_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  0.0000  0.5000  0.0000  1.0
  Ni  Ni1  2  0.0000  0.0000  0.0000  1.0
  Br  Br2  8  0.0807  0.1593  0.8166  1.0
  Br  Br3  4  0.1618  0.5000  0.6187  1.0
]