data_[Cs2Ac2P2O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Ac  1.1000  1.9500  1.2600
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [3.8932]
_cell_length_b [8.5076]
_cell_length_c [8.1915]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [CsAcPO]
_chemical_formula_sum '[Cs2 Ac2 P2 O2]'
_cell_volume [271.3204]
_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
[
  Cs  Cs0  2  0.5000  0.0482  0.5982  1
  Ac  Ac1  2  0.0000  0.3864  0.9602  1
  P  P2  2  0.0000  0.2817  0.3182  1
  O  O3  2  0.5000  0.2671  0.8774  1
]