data_[Ga2Ni2Hg2C2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ga  1.8100  1.3000  0.7600
  Ni  1.9100  1.3500  0.7400
  Hg  2.0000  1.5000  1.2450
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [3.5103]
_cell_length_b [3.1073]
_cell_length_c [11.8303]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [GaNiHgC]
_chemical_formula_sum '[Ga2 Ni2 Hg2 C2]'
_cell_volume [129.0410]
_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  0.0000  0.0000  0.0174  1
  Ni  Ni1  2  0.5000  0.0000  0.6789  1
  Hg  Hg2  2  0.0000  0.0000  0.3191  1
  C  C3  2  0.5000  0.0000  0.0948  1
]