data_[Pm6Zn4Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Zn  1.6500  1.3500  0.8800
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [4.2455]
_cell_length_b [22.1872]
_cell_length_c [3.5879]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Pm3(ZnAg)2]
_chemical_formula_sum '[Pm6 Zn4 Ag4]'
_cell_volume [337.9689]
_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  0.0000  0.1607  0.0000  1
  Pm  Pm1  2  0.0000  0.0000  0.0000  1
  Zn  Zn2  4  0.0000  0.2799  0.5000  1
  Ag  Ag3  4  0.0000  0.4183  0.5000  1
]