data_[Ac4Nd16Sm2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Nd  1.1400  1.8500  1.2765
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [20.1786]
_cell_length_b [7.1930]
_cell_length_c [5.7813]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.3226]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac2Nd8Sm]
_chemical_formula_sum '[Ac4 Nd16 Sm2]'
_cell_volume [837.7196]
_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  0.2186  0.5000  0.2566  1
  Nd  Nd1  8  0.1232  0.2645  0.7327  1
  Nd  Nd2  4  0.0442  0.5000  0.2359  1
  Nd  Nd3  4  0.1764  0.0000  0.2259  1
  Sm  Sm4  2  0.0000  0.0000  0.0000  1
]