data_[Ce4Y2Mg6Ag2Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Y  1.2200  1.8000  1.0400
  Mg  1.3100  1.5000  0.8600
  Ag  1.9300  1.6000  1.0867
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.2814]
_cell_length_b [13.7952]
_cell_length_c [7.9611]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Ce2YMg3AgHg2]
_chemical_formula_sum '[Ce4 Y2 Mg6 Ag2 Hg4]'
_cell_volume [470.2038]
_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
[
  Ce  Ce0  4  0.0000  0.2046  0.7949  1
  Y  Y1  2  0.0000  0.0000  0.4077  1
  Mg  Mg2  4  0.5000  0.1193  0.1235  1
  Mg  Mg3  2  0.5000  0.0000  0.7564  1
  Ag  Ag4  2  0.0000  0.0000  0.0046  1
  Hg  Hg5  4  0.5000  0.1615  0.4973  1
]