data_[K2Ni4Sb2As2]
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
  Sb  2.0500  1.4500  0.8300
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.2595]
_cell_length_b [3.9339]
_cell_length_c [7.6516]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.6930]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KNi2SbAs]
_chemical_formula_sum '[K2 Ni4 Sb2 As2]'
_cell_volume [218.4989]
_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  0.2417  0.2500  0.9975  1.0
  Ni  Ni1  2  0.0730  0.7500  0.6242  1.0
  Ni  Ni2  2  0.2535  0.2500  0.5043  1.0
  Sb  Sb3  2  0.4299  0.7500  0.6523  1.0
  As  As4  2  0.0890  0.7500  0.3177  1.0
]