data_[Y1Ho1Sn1Hg1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Ho  1.2300  1.7500  1.0410
  Sn  1.9600  1.4500  0.8300
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P4mm]
_cell_length_a [3.7928]
_cell_length_b [3.7928]
_cell_length_c [7.2824]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [YHoSnHg]
_chemical_formula_sum '[Y1 Ho1 Sn1 Hg1]'
_cell_volume [104.7589]
_cell_formula_units_Z [1]
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
[
  Y  Y0  1  0.5000  0.5000  0.1096  1
  Ho  Ho1  1  0.5000  0.5000  0.6034  1
  Sn  Sn2  1  0.0000  0.0000  0.8550  1
  Hg  Hg3  1  0.0000  0.0000  0.3600  1
]