data_[Ac4Pm2Sm4Y12]
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
  Y  1.2200  1.8000  1.0400
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.2762]
_cell_length_b [10.8763]
_cell_length_c [12.0310]
_cell_angle_alpha [90.0000]
_cell_angle_beta [99.9563]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac2Pm(SmY3)2]
_chemical_formula_sum '[Ac4 Pm2 Sm4 Y12]'
_cell_volume [808.8934]
_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  0.1670  0.0000  1
  Pm  Pm1  2  0.0000  0.0000  0.5000  1
  Sm  Sm2  4  0.0000  0.3356  0.5000  1
  Y  Y3  8  0.2476  0.1662  0.7425  1
  Y  Y4  4  0.2455  0.5000  0.7425  1
]