data_[Ac8Ni2Sn2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Ni  1.9100  1.3500  0.7400
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.8982]
_cell_length_b [10.6661]
_cell_length_c [8.0266]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.3361]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Ac4NiSn]
_chemical_formula_sum '[Ac8 Ni2 Sn2]'
_cell_volume [470.3519]
_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  0.1502  0.0068  0.8030  1
  Ac  Ac1  2  0.3692  0.2500  0.2334  1
  Ac  Ac2  2  0.3792  0.7500  0.2576  1
  Ni  Ni3  2  0.1841  0.7500  0.8761  1
  Sn  Sn4  2  0.0033  0.7500  0.5081  1
]