data_[Sm10Nb4O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Nb  1.6000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.6977]
_cell_length_b [6.0060]
_cell_length_c [7.6347]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.5148]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm5Nb2O12]
_chemical_formula_sum '[Sm10 Nb4 O24]'
_cell_volume [555.2456]
_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
[
  Sm  Sm0  4  0.1915  0.5000  0.8270  1.0
  Sm  Sm1  4  0.1966  0.5000  0.3619  1.0
  Sm  Sm2  2  0.0000  0.0000  0.5000  1.0
  Nb  Nb3  4  0.0000  0.2404  0.0000  1.0
  O  O4  8  0.1550  0.2503  0.5759  1.0
  O  O5  8  0.1632  0.2650  0.0824  1.0
  O  O6  4  0.0003  0.0000  0.1911  1.0
  O  O7  4  0.0010  0.5000  0.8101  1.0
]