data_[K12Er4V8O32]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Er  1.2400  1.7500  1.0300
  V  1.6300  1.3500  0.7775
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.1682]
_cell_length_b [5.8238]
_cell_length_c [15.0457]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0060]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [K3ErV2O8]
_chemical_formula_sum '[K12 Er4 V8 O32]'
_cell_volume [890.9705]
_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
[
  K  K0  8  0.1698  0.0232  0.9016  1
  K  K1  4  0.0000  0.4513  0.2500  1
  Er  Er2  4  0.0000  0.5000  0.0000  1
  V  V3  8  0.1644  0.0178  0.6278  1
  O  O4  8  0.0815  0.2774  0.6083  1
  O  O5  8  0.0848  0.2008  0.0691  1
  O  O6  8  0.1672  0.0559  0.2355  1
  O  O7  8  0.1756  0.4608  0.4142  1
]