data_[K2Sm2V8O24]
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
  V  1.6300  1.3500  0.7775
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [7.2274]
_cell_length_b [6.9853]
_cell_length_c [10.3555]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [KSmV4O12]
_chemical_formula_sum '[K2 Sm2 V8 O24]'
_cell_volume [522.7998]
_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  0.0000  0.0203  1
  Sm  Sm1  2  0.5000  0.0000  0.5728  1
  V  V2  8  0.2536  0.2424  0.2912  1
  O  O3  8  0.3000  0.2245  0.4491  1
  O  O4  4  0.0000  0.2248  0.7965  1
  O  O5  4  0.2188  0.0000  0.2275  1
  O  O6  4  0.2644  0.0000  0.7281  1
  O  O7  4  0.5000  0.2337  0.2225  1
]