data_[K4Sm4N8O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Sm  1.1700  1.8500  1.2290
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [8.4130]
_cell_length_b [9.8813]
_cell_length_c [7.3686]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.6122]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [KSm(NO3)2]
_chemical_formula_sum '[K4 Sm4 N8 O24]'
_cell_volume [573.3421]
_cell_formula_units_Z [4]
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  4  0.0000  0.1338  0.7500  1
  Sm  Sm1  4  0.0000  0.4182  0.2500  1
  N  N2  8  0.2447  0.1207  0.2687  1
  O  O3  8  0.0913  0.3863  0.5981  1
  O  O4  8  0.1834  0.2429  0.2229  1
  O  O5  8  0.2213  0.0316  0.1253  1
]