data_[Ga2Hg2Cl2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ga  1.8100  1.3000  0.7600
  Hg  2.0000  1.5000  1.2450
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [10.4991]
_cell_length_b [3.6577]
_cell_length_c [4.8871]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.3940]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [GaHgCl]
_chemical_formula_sum '[Ga2 Hg2 Cl2]'
_cell_volume [187.6718]
_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
[
  Ga  Ga0  2  0.3904  0.0000  0.5091  1
  Hg  Hg1  2  0.1548  0.5000  0.3578  1
  Cl  Cl2  2  0.4277  0.5000  0.8776  1
]