data_[Rb2Ta2Mn2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ta  1.5000  1.4500  0.8200
  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 [5.8307]
_cell_length_b [6.1302]
_cell_length_c [8.4604]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.2405]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbTaMnO4]
_chemical_formula_sum '[Rb2 Ta2 Mn2 O8]'
_cell_volume [302.1752]
_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  0.2021  0.2500  0.9647  1.0
  Ta  Ta1  2  0.3254  0.7500  0.7240  1.0
  Mn  Mn2  2  0.1231  0.2500  0.4783  1.0
  O  O3  4  0.1615  0.5115  0.6348  1.0
  O  O4  2  0.2864  0.7500  0.9383  1.0
  O  O5  2  0.3601  0.2500  0.3087  1.0
]