data_[Sr8Fe8Se8O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Fe  1.8300  1.4000  0.8525
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pbca]
_cell_length_a [7.3755]
_cell_length_b [7.4132]
_cell_length_c [12.4974]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [61]
_chemical_formula_structural [SrFeSeO]
_chemical_formula_sum '[Sr8 Fe8 Se8 O8]'
_cell_volume [683.3096]
_cell_formula_units_Z [8]
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  8  0.1765  0.5499  0.2713  1
  Fe  Fe1  8  0.0132  0.2460  0.4477  1
  Se  Se2  8  0.2449  0.0170  0.0224  1
  O  O3  8  0.0563  0.2446  0.2958  1
]