data_[Sr2Yb2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Yb  1.1000  1.7500  1.0840
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.0943]
_cell_length_b [4.7766]
_cell_length_c [5.6816]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.5591]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [SrYbO4]
_chemical_formula_sum '[Sr2 Yb2 O8]'
_cell_volume [165.0736]
_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
[
  Sr  Sr0  2  0.0000  0.0000  0.0000  1.0
  Yb  Yb1  2  0.0000  0.5000  0.5000  1.0
  O  O2  4  0.0808  0.5000  0.9044  1.0
  O  O3  4  0.1135  0.0000  0.4567  1.0
]