data_[V6As4O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  V  1.6300  1.3500  0.7775
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4bm]
_cell_length_a [9.0057]
_cell_length_b [9.0057]
_cell_length_c [4.4081]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [100]
_chemical_formula_structural [V3As2O9]
_chemical_formula_sum '[V6 As4 O18]'
_cell_volume [357.5144]
_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  4  0.1167  0.3833  0.3641  1
  V  V1  2  0.0000  0.0000  0.4328  1
  As  As2  4  0.1992  0.6992  0.7351  1
  O  O3  8  0.1229  0.1790  0.5313  1
  O  O4  4  0.0972  0.5972  0.4394  1
  O  O5  4  0.1279  0.3721  0.9884  1
  O  O6  2  0.0000  0.0000  0.0601  1
]