data_[Sr2Ac1I1O8]
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
  I  2.6600  1.4000  1.2733
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [4.5681]
_cell_length_b [7.5579]
_cell_length_c [5.5209]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.8575]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Sr2AcIO8]
_chemical_formula_sum '[Sr2 Ac1 I1 O8]'
_cell_volume [190.1776]
_cell_formula_units_Z [1]
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  0.5000  0.2307  0.5000  1
  Ac  Ac1  1  0.0000  0.5000  0.0000  1
  I  I2  1  0.0000  0.0000  0.0000  1
  O  O3  4  0.0771  0.1855  0.7769  1
  O  O4  2  0.3834  0.0000  0.1606  1
  O  O5  2  0.4701  0.5000  0.2510  1
]