data_[Pm4Zn8Ag8]
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 [C2/c]
_cell_length_a [5.1128]
_cell_length_b [8.5267]
_cell_length_c [9.4598]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.6201]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Pm(ZnAg)2]
_chemical_formula_sum '[Pm4 Zn8 Ag8]'
_cell_volume [399.0445]
_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  4  0.0000  0.3343  0.7500  1
  Zn  Zn1  8  0.0795  0.0043  0.8881  1
  Ag  Ag2  8  0.0512  0.3391  0.4070  1
]