data_[Mn4Tc4Hg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mn  1.5500  1.4000  0.6483
  Tc  1.9000  1.3500  0.7417
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [7.2518]
_cell_length_b [7.2518]
_cell_length_c [2.7438]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Mn2Tc2Hg]
_chemical_formula_sum '[Mn4 Tc4 Hg2]'
_cell_volume [144.2914]
_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  0.1248  0.3752  0.0000  1
  Tc  Tc1  4  0.1606  0.6606  0.5000  1
  Hg  Hg2  2  0.0000  0.0000  0.0000  1
]