data_[Pr4Er2V2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  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 [P2_1/c]
_cell_length_a [5.6716]
_cell_length_b [5.8904]
_cell_length_c [9.9164]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.2731]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Pr2ErVO6]
_chemical_formula_sum '[Pr4 Er2 V2 O12]'
_cell_volume [273.7602]
_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
[
  Pr  Pr0  4  0.2317  0.0564  0.2496  1.0
  Er  Er1  2  0.5000  0.0000  0.0000  1.0
  V  V2  2  0.0000  0.0000  0.5000  1.0
  O  O3  4  0.1261  0.2106  0.9392  1.0
  O  O4  4  0.2335  0.6928  0.9410  1.0
  O  O5  4  0.3542  0.0437  0.7402  1.0
]