data_[V9Cr9Si6]
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
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [R32]
_cell_length_a [6.4775]
_cell_length_b [6.4775]
_cell_length_c [7.9396]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [155]
_chemical_formula_structural [V3Cr3Si2]
_chemical_formula_sum '[V9 Cr9 Si6]'
_cell_volume [288.5015]
_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  9  0.0000  0.2502  0.5000  1
  Cr  Cr1  9  0.0000  0.7502  0.0000  1
  Si  Si2  6  0.0000  0.0000  0.2495  1
]