data_[Ac4Tl8In4Se16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Tl  1.6200  1.9000  1.3325
  In  1.7800  1.5500  0.9400
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [8.6125]
_cell_length_b [9.2031]
_cell_length_c [12.6558]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [AcTl2InSe4]
_chemical_formula_sum '[Ac4 Tl8 In4 Se16]'
_cell_volume [1003.1274]
_cell_formula_units_Z [4]
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  0.0000  1
  Tl  Tl1  4  0.0000  0.0000  0.5000  1
  Tl  Tl2  4  0.2500  0.2500  0.2500  1
  In  In3  4  0.2500  0.2500  0.7500  1
  Se  Se4  8  0.0000  0.0418  0.7533  1
  Se  Se5  8  0.2381  0.2500  0.9831  1
]