data_[Ac4Sc2Se4S4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Sc  1.3600  1.6000  0.8850
  Se  2.5500  1.1500  1.0133
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [4.8504]
_cell_length_b [4.8504]
_cell_length_c [15.8275]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Ac2Sc(SeS)2]
_chemical_formula_sum '[Ac4 Sc2 Se4 S4]'
_cell_volume [372.3608]
_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  0.0000  0.3685  1
  Sc  Sc1  2  0.0000  0.0000  0.0000  1
  Se  Se2  4  0.0000  0.0000  0.1751  1
  S  S3  4  0.0000  0.5000  0.0000  1
]