data_[Sr2Ac2Ce2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Ac  1.1000  1.9500  1.2600
  Ce  1.1200  1.8500  1.0800
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [3.9384]
_cell_length_b [3.9384]
_cell_length_c [16.0081]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [SrAcCe]
_chemical_formula_sum '[Sr2 Ac2 Ce2]'
_cell_volume [248.3003]
_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
[
  Sr  Sr0  2  0.0000  0.5000  0.6021  1
  Ac  Ac1  2  0.0000  0.5000  0.2046  1
  Ce  Ce2  2  0.0000  0.5000  0.9571  1
]