data_[Tm8C4N2O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  C  2.5500  0.7000  0.3000
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I-4m2]
_cell_length_a [4.8708]
_cell_length_b [4.8708]
_cell_length_c [9.8068]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [119]
_chemical_formula_structural [Tm4C2NO]
_chemical_formula_sum '[Tm8 C4 N2 O2]'
_cell_volume [232.6659]
_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  0.0000  0.2504  1
  Tm  Tm1  4  0.0000  0.5000  0.0048  1
  C  C2  2  0.0000  0.0000  0.0000  1
  C  C3  2  0.0000  0.5000  0.7500  1
  N  N4  2  0.0000  0.5000  0.2500  1
  O  O5  2  0.0000  0.0000  0.5000  1
]