data_[Mn6Hg8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mn  1.5500  1.4000  0.6483
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [3.1316]
_cell_length_b [3.1316]
_cell_length_c [27.1879]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Mn3Hg4]
_chemical_formula_sum '[Mn6 Hg8]'
_cell_volume [266.6379]
_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
[
  Mn  Mn0  4  0.0000  0.0000  0.2790  1
  Mn  Mn1  2  0.0000  0.0000  0.0000  1
  Hg  Hg2  4  0.0000  0.0000  0.1548  1
  Hg  Hg3  4  0.0000  0.0000  0.4315  1
]