data_[Pm4Mg2Zn2Cu12]
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
  Zn  1.6500  1.3500  0.8800
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.1594]
_cell_length_b [5.0030]
_cell_length_c [8.6028]
_cell_angle_alpha [90.0000]
_cell_angle_beta [134.4963]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2MgZnCu6]
_chemical_formula_sum '[Pm4 Mg2 Zn2 Cu12]'
_cell_volume [373.2933]
_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  4  0.0417  0.5000  0.2823  1
  Mg  Mg1  2  0.0000  0.0000  0.5000  1
  Zn  Zn2  2  0.0000  0.0000  0.0000  1
  Cu  Cu3  8  0.2449  0.2481  0.2339  1
  Cu  Cu4  4  0.1808  0.0000  0.9310  1
]