data_[Ac4Pm6Te16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Pm  1.1300  1.8500  1.1100
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.0767]
_cell_length_b [9.1544]
_cell_length_c [7.8213]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.9133]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac2Pm3Te8]
_chemical_formula_sum '[Ac4 Pm6 Te16]'
_cell_volume [1088.9318]
_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  0.2425  0.5000  0.6651  1
  Pm  Pm1  4  0.0000  0.2593  0.0000  1
  Pm  Pm2  2  0.0000  0.0000  0.5000  1
  Te  Te3  8  0.1168  0.2409  0.4097  1
  Te  Te4  4  0.1149  0.0000  0.9143  1
  Te  Te5  4  0.1236  0.5000  0.9378  1
]