data_[Ga4Hg4H2]
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
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [5.9405]
_cell_length_b [5.9405]
_cell_length_c [5.6055]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Ga2Hg2H]
_chemical_formula_sum '[Ga4 Hg4 H2]'
_cell_volume [197.8150]
_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  4  0.1750  0.3250  0.0000  1
  Hg  Hg1  4  0.1934  0.3066  0.5000  1
  H  H2  2  0.0000  0.0000  0.0000  1
]