data_[Ac2Sm4H16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Sm  1.1700  1.8500  1.2290
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.8715]
_cell_length_b [5.4901]
_cell_length_c [11.6863]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Ac(SmH4)2]
_chemical_formula_sum '[Ac2 Sm4 H16]'
_cell_volume [248.3906]
_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  2  0.0000  0.5000  0.5000  1
  Sm  Sm1  4  0.0000  0.5000  0.1709  1
  H  H2  8  0.0000  0.2295  0.3312  1
  H  H3  4  0.0000  0.0000  0.1569  1
  H  H4  4  0.0000  0.2939  0.0000  1
]