data_[Pm12Sn2Te6P4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sn  1.9600  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
  P  2.1900  1.0000  0.5500
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.1770]
_cell_length_b [4.3105]
_cell_length_c [8.8587]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.7763]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm6SnTe3P2]
_chemical_formula_sum '[Pm12 Sn2 Te6 P4]'
_cell_volume [708.0739]
_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  0.0111  0.0000  0.2513  1
  Pm  Pm1  4  0.1673  0.5000  0.1116  1
  Pm  Pm2  4  0.1757  0.5000  0.5644  1
  Sn  Sn3  2  0.0000  0.5000  0.0000  1
  Te  Te4  4  0.1637  0.0000  0.8318  1
  Te  Te5  2  0.0000  0.5000  0.5000  1
  P  P6  4  0.1690  0.0000  0.3372  1
]