data_[V2Sn6Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  V  1.6300  1.3500  0.7775
  Sn  1.9600  1.4500  0.8300
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [I-43m]
_cell_length_a [7.4185]
_cell_length_b [7.4185]
_cell_length_c [7.4185]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [217]
_chemical_formula_structural [VSn3Se4]
_chemical_formula_sum '[V2 Sn6 Se8]'
_cell_volume [408.2633]
_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
[
  V  V0  2  0.0000  0.0000  0.0000  1
  Sn  Sn1  6  0.0000  0.0000  0.5000  1
  Se  Se2  8  0.1879  0.1879  0.1879  1
]