data_[Y4Ga2Hg2Ge2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Ga  1.8100  1.3000  0.7600
  Hg  2.0000  1.5000  1.2450
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [4.4724]
_cell_length_b [7.3093]
_cell_length_c [7.4989]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [Y2GaHgGe]
_chemical_formula_sum '[Y4 Ga2 Hg2 Ge2]'
_cell_volume [245.1441]
_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  4  0.0000  0.2468  0.2181  1
  Ga  Ga1  2  0.0000  0.5000  0.5812  1
  Hg  Hg2  2  0.0000  0.0000  0.6155  1
  Ge  Ge3  2  0.0000  0.5000  0.9149  1
]