data_[Y2Hg2O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Hg  2.0000  1.5000  1.2450
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.2312]
_cell_length_b [3.5436]
_cell_length_c [6.9425]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.4894]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [YHgO2]
_chemical_formula_sum '[Y2 Hg2 O4]'
_cell_volume [146.9909]
_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
[
  Y  Y0  2  0.2510  0.2500  0.4972  1
  Hg  Hg1  2  0.1811  0.7500  0.9995  1
  O  O2  2  0.1416  0.7500  0.6548  1
  O  O3  2  0.3765  0.7500  0.3379  1
]