data_[Er9V27]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  V  1.6300  1.3500  0.7775
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [5.5161]
_cell_length_b [5.5161]
_cell_length_c [23.4932]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [ErV3]
_chemical_formula_sum '[Er9 V27]'
_cell_volume [619.0613]
_cell_formula_units_Z [9]
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  6  0.0000  0.0000  0.1444  1
  Er  Er1  3  0.0000  0.0000  0.0000  1
  V  V2  18  0.0111  0.5055  0.0795  1
  V  V3  6  0.0000  0.0000  0.3324  1
  V  V4  3  -0.0000  -0.0000  0.5000  1
]