data_[Tm12Zn3Hg6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Zn  1.6500  1.3500  0.8800
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [4.9889]
_cell_length_b [4.9889]
_cell_length_c [26.9756]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Tm4ZnHg2]
_chemical_formula_sum '[Tm12 Zn3 Hg6]'
_cell_volume [581.4563]
_cell_formula_units_Z [3]
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  6  0.0000  0.0000  0.2091  1
  Tm  Tm1  6  0.0000  0.0000  0.3730  1
  Zn  Zn2  3  0.0000  0.0000  0.0000  1
  Hg  Hg3  6  0.0000  0.0000  0.0977  1
]