data_[Pm6Ag2Sn6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ag  1.9300  1.6000  1.0867
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P6_3/m]
_cell_length_a [8.7616]
_cell_length_b [8.7616]
_cell_length_c [5.8003]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [176]
_chemical_formula_structural [Pm3AgSn3]
_chemical_formula_sum '[Pm6 Ag2 Sn6]'
_cell_volume [385.6038]
_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  6  0.0792  0.4464  0.2500  1
  Ag  Ag1  2  0.3333  0.6667  0.7500  1
  Sn  Sn2  6  0.0500  0.2478  0.7500  1
]