data_[Tb3Ce3Pm3Tc3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ce  1.1200  1.8500  1.0800
  Pm  1.1300  1.8500  1.1100
  Tc  1.9000  1.3500  0.7417
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [4.4372]
_cell_length_b [4.4372]
_cell_length_c [20.1825]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [TbCePmTc]
_chemical_formula_sum '[Tb3 Ce3 Pm3 Tc3]'
_cell_volume [344.1356]
_cell_formula_units_Z [3]
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
[
  Tb  Tb0  3  0.0000  0.0000  0.9483  1
  Ce  Ce1  3  0.0000  0.0000  0.7174  1
  Pm  Pm2  3  0.0000  0.0000  0.1605  1
  Tc  Tc3  3  0.0000  0.0000  0.3697  1
]