data_[Ac6Er4Pb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Er  1.2400  1.7500  1.0300
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.0718]
_cell_length_b [4.8733]
_cell_length_c [10.2960]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.0996]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac3(ErPb2)2]
_chemical_formula_sum '[Ac6 Er4 Pb8]'
_cell_volume [639.3870]
_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  0.1219  0.5000  0.7003  1
  Ac  Ac1  2  0.0000  0.0000  0.0000  1
  Er  Er2  4  0.1845  0.5000  0.3559  1
  Pb  Pb3  4  0.0757  0.0000  0.4083  1
  Pb  Pb4  4  0.2029  0.5000  0.0674  1
]