data_[Rb2Sr4Ru2O10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sr  0.9500  2.0000  1.3200
  Ru  2.2000  1.3000  0.6610
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.0031]
_cell_length_b [6.2938]
_cell_length_c [11.4346]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [RbSr2RuO5]
_chemical_formula_sum '[Rb2 Sr4 Ru2 O10]'
_cell_volume [288.0947]
_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
[
  Rb  Rb0  2  0.0000  0.5000  0.0000  1.0
  Sr  Sr1  4  0.0000  0.0000  0.2196  1.0
  Ru  Ru2  2  0.0000  0.5000  0.5000  1.0
  O  O3  8  0.0000  0.2861  0.3706  1.0
  O  O4  2  0.0000  0.0000  0.0000  1.0
]