data_[V8Cu4S16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  V  1.6300  1.3500  0.7775
  Cu  1.9000  1.3500  0.8200
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [I-4m2]
_cell_length_a [6.9831]
_cell_length_b [6.9831]
_cell_length_c [9.8227]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [119]
_chemical_formula_structural [V2CuS4]
_chemical_formula_sum '[V8 Cu4 S16]'
_cell_volume [478.9870]
_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
[
  V  V0  8  0.0000  0.2689  0.8784  1.0
  Cu  Cu1  2  0.0000  0.0000  0.5000  1.0
  Cu  Cu2  2  0.0000  0.5000  0.2500  1.0
  S  S3  8  0.0000  0.2334  0.1192  1.0
  S  S4  8  0.0000  0.2598  0.6316  1.0
]