data_[Er4Al2V2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Al  1.6100  1.2500  0.6750
  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 [5.2355]
_cell_length_b [5.5290]
_cell_length_c [9.1739]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.8516]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Er2AlVO6]
_chemical_formula_sum '[Er4 Al2 V2 O12]'
_cell_volume [217.9243]
_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
[
  Er  Er0  4  0.2307  0.5675  0.7507  1
  Al  Al1  2  0.5000  0.0000  0.0000  1
  V  V2  2  0.0000  0.0000  0.5000  1
  O  O3  4  0.1473  0.6917  0.4454  1
  O  O4  4  0.2571  0.2071  0.4420  1
  O  O5  4  0.3675  0.5366  0.2577  1
]