data_[Tm6Si2Sb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Si  1.9000  1.1000  0.5400
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [4.2863]
_cell_length_b [6.7190]
_cell_length_c [9.2017]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [Tm3SiSb]
_chemical_formula_sum '[Tm6 Si2 Sb2]'
_cell_volume [265.0011]
_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
[
  Tm  Tm0  4  0.0000  0.2566  0.6618  1.0
  Tm  Tm1  2  0.0000  0.5000  0.0850  1.0
  Si  Si2  2  0.0000  0.5000  0.4011  1.0
  Sb  Sb3  2  0.0000  0.0000  0.1517  1.0
]