data_[Ho8Tm4Hg8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Tm  1.2500  1.7500  1.0950
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.7307]
_cell_length_b [26.9592]
_cell_length_c [5.2347]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Ho2TmHg2]
_chemical_formula_sum '[Ho8 Tm4 Hg8]'
_cell_volume [526.4903]
_cell_formula_units_Z [4]
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
[
  Ho  Ho0  4  0.0000  0.0475  0.2500  1
  Ho  Ho1  4  0.0000  0.2359  0.2500  1
  Tm  Tm2  4  0.0000  0.1464  0.7500  1
  Hg  Hg3  4  0.0000  0.3558  0.7500  1
  Hg  Hg4  4  0.0000  0.4515  0.2500  1
]