data_[Pm8Tm2Sn6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Tm  1.2500  1.7500  1.0950
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [20.3711]
_cell_length_b [4.3461]
_cell_length_c [5.5966]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.8386]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm4TmSn3]
_chemical_formula_sum '[Pm8 Tm2 Sn6]'
_cell_volume [489.6175]
_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  0.1179  0.5000  0.5654  1
  Pm  Pm1  4  0.1539  0.0000  0.0909  1
  Tm  Tm2  2  0.0000  0.5000  0.0000  1
  Sn  Sn3  4  0.2394  0.0000  0.6740  1
  Sn  Sn4  2  0.0000  0.0000  0.5000  1
]