data_[Sr4Ac4N4O4]
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
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pca2_1]
_cell_length_a [7.1773]
_cell_length_b [8.5999]
_cell_length_c [5.9099]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [29]
_chemical_formula_structural [SrAcNO]
_chemical_formula_sum '[Sr4 Ac4 N4 O4]'
_cell_volume [364.7800]
_cell_formula_units_Z [4]
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  4  0.0827  0.6203  0.0097  1
  Ac  Ac1  4  0.0733  0.1312  0.0142  1
  N  N2  4  0.0836  0.1260  0.5852  1
  O  O3  4  0.0855  0.6189  0.5933  1
]