data_[Pm8Co8B4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Co  1.8800  1.3500  0.7683
  B  2.0400  0.8500  0.4100
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [5.8838]
_cell_length_b [11.0641]
_cell_length_c [5.7548]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Pm2Co2B]
_chemical_formula_sum '[Pm8 Co8 B4]'
_cell_volume [374.6357]
_cell_formula_units_Z [4]
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  0.1842  0.1403  0.5000  1
  Co  Co1  8  0.1535  0.4063  0.5000  1
  B  B2  4  0.0000  0.5000  0.2500  1
]