data_[Ac6Np3Sc3Se18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Np  1.3600  1.7500  1.0000
  Sc  1.3600  1.6000  0.8850
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.5019]
_cell_length_b [7.5019]
_cell_length_c [19.1656]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Ac2NpScSe6]
_chemical_formula_sum '[Ac6 Np3 Sc3 Se18]'
_cell_volume [934.1027]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0288  1
  Ac  Ac1  3  0.0000  0.0000  0.5305  1
  Sc  Sc2  3  0.0000  0.0000  0.3195  1
  Np  Np3  3  0.0000  0.0000  0.8186  1
  Se  Se4  9  0.0027  0.3969  0.5794  1
  Se  Se5  9  0.0247  0.6184  0.0753  1
]