data_[Pm16Sb2C4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sb  2.0500  1.4500  0.8300
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.6071]
_cell_length_b [13.3190]
_cell_length_c [5.0830]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.7367]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm8SbC2]
_chemical_formula_sum '[Pm16 Sb2 C4]'
_cell_volume [575.9386]
_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  8  0.2250  0.1363  0.0750  1
  Pm  Pm1  4  0.0000  0.2583  0.5000  1
  Pm  Pm2  4  0.1150  0.5000  0.3049  1
  Sb  Sb3  2  0.0000  0.0000  0.5000  1
  C  C4  4  0.0000  0.3239  0.0000  1
]