data_[Ac4Pm16Tm2]
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
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.7697]
_cell_length_b [6.9167]
_cell_length_c [7.0324]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.2453]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac2Pm8Tm]
_chemical_formula_sum '[Ac4 Pm16 Tm2]'
_cell_volume [800.0351]
_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  0.1959  0.0000  0.8082  1
  Pm  Pm1  8  0.0845  0.2642  0.3950  1
  Pm  Pm2  4  0.0878  0.5000  0.9091  1
  Pm  Pm3  4  0.2440  0.0000  0.3198  1
  Tm  Tm4  2  0.0000  0.0000  0.0000  1
]