data_[Ac4V2N10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  V  1.6300  1.3500  0.7775
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [5.8125]
_cell_length_b [5.8125]
_cell_length_c [7.5173]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [Ac2VN5]
_chemical_formula_sum '[Ac4 V2 N10]'
_cell_volume [253.9746]
_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
[
  Ac  Ac0  4  0.0000  0.5000  0.2609  1
  V  V1  2  0.0000  0.0000  0.0193  1
  N  N2  8  0.2277  0.2277  0.9808  1
  N  N3  2  0.0000  0.0000  0.2577  1
]