data_[Mg2Ga4Hg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Ga  1.8100  1.3000  0.7600
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.0901]
_cell_length_b [4.4906]
_cell_length_c [6.1997]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.9047]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [MgGa2Hg]
_chemical_formula_sum '[Mg2 Ga4 Hg2]'
_cell_volume [164.5795]
_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
[
  Mg  Mg0  2  0.1764  0.7500  0.6766  1
  Ga  Ga1  2  0.1058  0.7500  0.1463  1
  Ga  Ga2  2  0.3728  0.2500  0.9731  1
  Hg  Hg3  2  0.3222  0.2500  0.4459  1
]