data_[Er8V8N16O8]
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
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.4420]
_cell_length_b [7.7278]
_cell_length_c [10.6208]
_cell_angle_alpha [90.0000]
_cell_angle_beta [134.5694]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [ErVN2O]
_chemical_formula_sum '[Er8 V8 N16 O8]'
_cell_volume [435.1382]
_cell_formula_units_Z [8]
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  0.2253  0.5244  0.4763  1
  Er  Er1  4  0.2862  0.0269  0.5315  1
  V  V2  4  0.2269  0.7428  0.7234  1
  V  V3  4  0.2512  0.2359  0.7608  1
  N  N4  4  0.0480  0.7005  0.9984  1
  N  N5  4  0.0503  0.2261  0.2982  1
  N  N6  4  0.2221  0.5166  0.7031  1
  N  N7  4  0.3174  0.0152  0.8030  1
  O  O8  4  0.4323  0.2267  0.1786  1
  O  O9  4  0.4405  0.6998  0.0047  1
]