data_[Rb2Sr2Mn2O8]
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
  Mn  1.5500  1.4000  0.6483
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.0620]
_cell_length_b [5.9144]
_cell_length_c [7.7080]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.8713]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbSrMnO4]
_chemical_formula_sum '[Rb2 Sr2 Mn2 O8]'
_cell_volume [265.8185]
_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  0.2918  0.7500  0.0687  1.0
  Sr  Sr1  2  0.2228  0.7500  0.5491  1.0
  Mn  Mn2  2  0.2340  0.2500  0.3225  1.0
  O  O3  4  0.0510  0.0213  0.2958  1.0
  O  O4  2  0.3983  0.2500  0.5422  1.0
  O  O5  2  0.4133  0.2500  0.1853  1.0
]