data_[Ac4Pm14Sm4]
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
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.8809]
_cell_length_b [11.7227]
_cell_length_c [6.3182]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.6413]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac2Pm7Sm2]
_chemical_formula_sum '[Ac4 Pm14 Sm4]'
_cell_volume [806.1191]
_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  0.2143  0.5000  1
  Pm  Pm1  8  0.1738  0.2309  0.1599  1
  Pm  Pm2  4  0.0910  0.5000  0.8162  1
  Pm  Pm3  2  0.0000  0.0000  0.0000  1
  Sm  Sm4  4  0.2452  0.0000  0.5835  1
]