data_[Ac15Nd9Se24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Nd  1.1400  1.8500  1.2765
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [8.7578]
_cell_length_b [8.7578]
_cell_length_c [21.4651]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Ac5Nd3Se8]
_chemical_formula_sum '[Ac15 Nd9 Se24]'
_cell_volume [1425.7721]
_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  9  0.0000  0.5000  0.0000  1
  Ac  Ac1  3  -0.0000  -0.0000  0.5000  1
  Ac  Ac2  3  0.0000  0.0000  0.0000  1
  Nd  Nd3  9  0.0000  0.5000  0.5000  1
  Se  Se4  18  0.0067  0.5034  0.7534  1
  Se  Se5  6  0.0000  0.0000  0.2452  1
]