data_[Pm4Si2Tc2C2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Si  1.9000  1.1000  0.5400
  Tc  1.9000  1.3500  0.7417
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.3220]
_cell_length_b [4.1761]
_cell_length_c [8.7099]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.7778]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Pm2SiTcC]
_chemical_formula_sum '[Pm4 Si2 Tc2 C2]'
_cell_volume [216.3877]
_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  0.2131  0.7500  0.3822  1
  Pm  Pm1  2  0.2291  0.7500  0.9764  1
  Si  Si2  2  0.3055  0.2500  0.7009  1
  Tc  Tc3  2  0.4967  0.7500  0.7426  1
  C  C4  2  0.1900  0.2500  0.1719  1
]