data_[K2Rb8Sb4N4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Sb  2.0500  1.4500  0.8300
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.6197]
_cell_length_b [5.6914]
_cell_length_c [12.2406]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.9444]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KRb4(SbN)2]
_chemical_formula_sum '[K2 Rb8 Sb4 N4]'
_cell_volume [754.0229]
_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
[
  Rb  Rb0  4  0.1338  0.0000  0.3953  1
  Rb  Rb1  4  0.2291  0.0000  0.8494  1
  K  K2  2  0.0000  0.0000  0.0000  1
  Sb  Sb3  4  0.0046  0.5000  0.8142  1
  N  N4  4  0.0463  0.5000  0.5462  1
]