data_[Ac2Mg2Sc2Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Mg  1.3100  1.5000  0.8600
  Sc  1.3600  1.6000  0.8850
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [I-4m2]
_cell_length_a [4.7135]
_cell_length_b [4.7135]
_cell_length_c [13.4085]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [119]
_chemical_formula_structural [AcMgScPb2]
_chemical_formula_sum '[Ac2 Mg2 Sc2 Pb4]'
_cell_volume [297.8941]
_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  0.0000  0.0000  1
  Mg  Mg1  2  0.0000  0.5000  0.2500  1
  Sc  Sc2  2  0.0000  0.5000  0.7500  1
  Pb  Pb3  4  0.0000  0.0000  0.3831  1
]