data_[Sr4O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4_2/mnm]
_cell_length_a [6.7286]
_cell_length_b [6.7286]
_cell_length_c [4.0897]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [136]
_chemical_formula_structural [SrO]
_chemical_formula_sum '[Sr4 O4]'
_cell_volume [185.1559]
_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  0.1842  0.8158  0.5000  1
  O  O1  4  0.1793  0.1793  0.5000  1
]