data_[Rb4Pm4Tc2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Pm  1.1300  1.8500  1.1100
  Tc  1.9000  1.3500  0.7417
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.0007]
_cell_length_b [10.2745]
_cell_length_c [6.9080]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.9769]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Pm2TcO6]
_chemical_formula_sum '[Rb4 Pm4 Tc2 O12]'
_cell_volume [411.4422]
_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  0.0000  0.1620  0.0000  1
  Pm  Pm1  4  0.0000  0.3352  0.5000  1
  Tc  Tc2  2  0.0000  0.0000  0.5000  1
  O  O3  8  0.1981  0.1521  0.6645  1
  O  O4  4  0.2435  0.0000  0.3320  1
]