data_[Nb8V4Sb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nb  1.6000  1.4500  0.8200
  V  1.6300  1.3500  0.7775
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Ama2]
_cell_length_a [5.2491]
_cell_length_b [7.2989]
_cell_length_c [7.3286]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [40]
_chemical_formula_structural [Nb2VSb]
_chemical_formula_sum '[Nb8 V4 Sb4]'
_cell_volume [280.7787]
_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
[
  Nb  Nb0  4  0.0000  0.0000  0.4963  1
  Nb  Nb1  4  0.2500  0.3765  0.6267  1
  V  V2  4  0.2500  0.1285  0.8763  1
  Sb  Sb3  4  0.2500  0.2590  0.2507  1
]