data_[Ho4Ag2Hg16]
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 [17.3425]
_cell_length_b [4.8113]
_cell_length_c [6.8484]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.1071]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ho2AgHg8]
_chemical_formula_sum '[Ho4 Ag2 Hg16]'
_cell_volume [536.5986]
_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  4  0.2109  0.0000  0.6880  1.0
  Ag  Ag1  2  0.0000  0.5000  0.0000  1.0
  Hg  Hg2  4  0.0209  0.0000  0.7340  1.0
  Hg  Hg3  4  0.1084  0.5000  0.4215  1.0
  Hg  Hg4  4  0.1461  0.5000  0.8845  1.0
  Hg  Hg5  4  0.1638  0.0000  0.1965  1.0
]