data_[Pm2Pu4Tc18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Pu  1.2800  1.7500  0.9675
  Tc  1.9000  1.3500  0.7417
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.1119]
_cell_length_b [5.2650]
_cell_length_c [9.5995]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.2615]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [PmPu2Tc9]
_chemical_formula_sum '[Pm2 Pu4 Tc18]'
_cell_volume [432.0308]
_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
[
  Pm  Pm0  2  0.0000  0.0000  0.0000  1
  Pu  Pu1  4  0.1491  0.0000  0.4363  1
  Tc  Tc2  8  0.1646  0.2469  0.7508  1
  Tc  Tc3  4  0.0886  0.5000  0.2455  1
  Tc  Tc4  4  0.1689  0.5000  0.9925  1
  Tc  Tc5  2  0.0000  0.5000  0.5000  1
]