data_[Pm9Ag3Te12]
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
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [4.4600]
_cell_length_b [4.4600]
_cell_length_c [43.2177]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Pm3AgTe4]
_chemical_formula_sum '[Pm9 Ag3 Te12]'
_cell_volume [744.4922]
_cell_formula_units_Z [3]
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  0.0000  0.0000  0.2515  1
  Pm  Pm1  3  -0.0000  -0.0000  0.5000  1
  Ag  Ag2  3  0.0000  0.0000  0.0000  1
  Te  Te3  6  0.0000  0.0000  0.1242  1
  Te  Te4  6  0.0000  0.0000  0.3727  1
]