data_[Al2Co4Hg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Al  1.6100  1.2500  0.6750
  Co  1.8800  1.3500  0.7683
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [3.0737]
_cell_length_b [4.2622]
_cell_length_c [8.6629]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [AlCo2Hg]
_chemical_formula_sum '[Al2 Co4 Hg2]'
_cell_volume [113.4900]
_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
[
  Al  Al0  2  0.0000  0.5000  0.2682  1
  Co  Co1  2  0.0000  0.0000  0.0030  1
  Co  Co2  2  0.0000  0.5000  0.7307  1
  Hg  Hg3  2  0.0000  0.0000  0.4980  1
]