data_[Pm4Si4Te12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Si  1.9000  1.1000  0.5400
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Pna2_1]
_cell_length_a [8.9501]
_cell_length_b [7.1533]
_cell_length_c [9.8600]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [33]
_chemical_formula_structural [PmSiTe3]
_chemical_formula_sum '[Pm4 Si4 Te12]'
_cell_volume [631.2677]
_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  0.1256  0.0564  0.2924  1
  Si  Si1  4  0.2293  0.6649  0.4044  1
  Te  Te2  4  0.0442  0.3405  0.7879  1
  Te  Te3  4  0.1681  0.8508  0.9859  1
  Te  Te4  4  0.1875  0.8632  0.6185  1
]