data_[Ac4Pm12Co8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Pm  1.1300  1.8500  1.1100
  Co  1.8800  1.3500  0.7683
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.1607]
_cell_length_b [3.8607]
_cell_length_c [12.4657]
_cell_angle_alpha [90.0000]
_cell_angle_beta [125.8264]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [AcPm3Co2]
_chemical_formula_sum '[Ac4 Pm12 Co8]'
_cell_volume [669.6233]
_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
[
  Ac  Ac0  4  0.1528  0.0000  0.7484  1
  Pm  Pm1  4  0.0866  0.5000  0.9520  1
  Pm  Pm2  4  0.0909  0.5000  0.4430  1
  Pm  Pm3  4  0.1575  0.0000  0.2538  1
  Co  Co4  4  0.2344  0.0000  0.5459  1
  Co  Co5  4  0.2349  0.0000  0.0466  1
]