data_[Eu3Mg3Ag1Hg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  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 [P-62m]
_cell_length_a [7.9879]
_cell_length_b [7.9879]
_cell_length_c [4.4174]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [189]
_chemical_formula_structural [Eu3Mg3AgHg2]
_chemical_formula_sum '[Eu3 Mg3 Ag1 Hg2]'
_cell_volume [244.0980]
_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
[
  Eu  Eu0  3  0.0000  0.5884  0.0000  1
  Mg  Mg1  3  0.0000  0.2343  0.5000  1
  Ag  Ag2  1  0.0000  0.0000  0.0000  1
  Hg  Hg3  2  0.3333  0.6667  0.5000  1
]