data_[Ac4Tl2Te8]
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
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.6833]
_cell_length_b [7.6517]
_cell_length_c [9.2239]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.3939]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Ac2TlTe4]
_chemical_formula_sum '[Ac4 Tl2 Te8]'
_cell_volume [520.2280]
_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  2  0.2471  0.2500  0.9339  1
  Ac  Ac1  2  0.3038  0.2500  0.4595  1
  Tl  Tl2  2  0.2164  0.7500  0.1747  1
  Te  Te3  4  0.4866  0.5134  0.7606  1
  Te  Te4  2  0.0464  0.7500  0.8385  1
  Te  Te5  2  0.0717  0.7500  0.4403  1
]