data_[Rb6Tc2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tc  1.9000  1.3500  0.7417
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [8.9481]
_cell_length_b [6.5653]
_cell_length_c [6.8269]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Rb3TcO4]
_chemical_formula_sum '[Rb6 Tc2 O8]'
_cell_volume [401.0611]
_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  4  0.2454  0.2978  0.9861  1
  Rb  Rb1  2  0.0000  0.2363  0.4254  1
  Tc  Tc2  2  0.0000  0.7747  0.0136  1
  O  O3  4  0.1747  0.7103  0.8813  1
  O  O4  2  0.0000  0.0504  0.0696  1
  O  O5  2  0.0000  0.6171  0.2414  1
]