data_[Pm6Tc4C8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Tc  1.9000  1.3500  0.7417
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.3167]
_cell_length_b [3.4209]
_cell_length_c [7.3254]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.2605]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm3(TcC2)2]
_chemical_formula_sum '[Pm6 Tc4 C8]'
_cell_volume [282.4001]
_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  4  0.1230  0.5000  0.4194  1
  Pm  Pm1  2  0.0000  0.0000  0.0000  1
  Tc  Tc2  4  0.2134  0.5000  0.8366  1
  C  C3  4  0.1592  0.5000  0.0872  1
  C  C4  4  0.1597  0.0000  0.6827  1
]