data_[Ho2Ag16Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Ag  1.9300  1.6000  1.0867
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.3467]
_cell_length_b [4.3228]
_cell_length_c [6.9107]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.9859]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ho(Ag4Hg)2]
_chemical_formula_sum '[Ho2 Ag16 Hg4]'
_cell_volume [436.0537]
_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
[
  Ho  Ho0  2  0.0000  0.5000  0.0000  1.0
  Ag  Ag1  4  0.0457  0.0000  0.7257  1.0
  Ag  Ag2  4  0.0896  0.5000  0.4670  1.0
  Ag  Ag3  4  0.1359  0.0000  0.1905  1.0
  Ag  Ag4  4  0.1835  0.5000  0.9118  1.0
  Hg  Hg5  4  0.2279  0.0000  0.6455  1.0
]