data_[Pm14Co4Cu4]
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
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [7.4280]
_cell_length_b [11.3411]
_cell_length_c [6.9586]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Pm7(CoCu)2]
_chemical_formula_sum '[Pm14 Co4 Cu4]'
_cell_volume [586.2085]
_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  0.2500  0.2500  0.2586  1
  Pm  Pm1  4  0.0000  0.5000  0.2505  1
  Pm  Pm2  2  0.0000  0.0000  0.0000  1
  Co  Co3  4  0.0000  0.3070  0.0000  1
  Cu  Cu4  4  0.1635  0.0000  0.5000  1
]