data_[V18Cr3W3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  V  1.6300  1.3500  0.7775
  Cr  1.6600  1.4000  0.9400
  W  2.3600  1.3500  0.7667
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [8.7817]
_cell_length_b [8.7817]
_cell_length_c [4.9750]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [V6CrW]
_chemical_formula_sum '[V18 Cr3 W3]'
_cell_volume [332.2627]
_cell_formula_units_Z [3]
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
[
  V  V0  18  0.0061  0.5031  0.2509  1
  Cr  Cr1  3  0.0000  0.0000  0.5000  1
  W  W2  3  0.0000  0.0000  0.0000  1
]