data_[Ac4Pm16Nd4Sm8]
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
  Nd  1.1400  1.8500  1.2765
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [13.9872]
_cell_length_b [13.5253]
_cell_length_c [7.0728]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.1821]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [AcPm4NdSm2]
_chemical_formula_sum '[Ac4 Pm16 Nd4 Sm8]'
_cell_volume [1156.6454]
_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  0.2500  0.2500  0.0000  1
  Pm  Pm1  8  0.0003  0.2515  0.4858  1
  Pm  Pm2  8  0.2485  0.4912  0.4402  1
  Nd  Nd3  4  0.0000  0.0000  0.0000  1
  Sm  Sm4  4  0.0000  0.5000  0.0000  1
  Sm  Sm5  4  0.2500  0.2500  0.5000  1
]