data_[Pm12Mg4Co4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Mg  1.3100  1.5000  0.8600
  Co  1.8800  1.3500  0.7683
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.5812]
_cell_length_b [8.2196]
_cell_length_c [6.1067]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.9357]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm3MgCo]
_chemical_formula_sum '[Pm12 Mg4 Co4]'
_cell_volume [556.0966]
_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  0.1336  0.2940  0.2693  1
  Pm  Pm1  4  0.0894  0.0000  0.7974  1
  Mg  Mg2  4  0.1378  0.5000  0.7607  1
  Co  Co3  4  0.1878  0.0000  0.4345  1
]