data_[Tc4Hg2O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tc  1.9000  1.3500  0.7417
  Hg  2.0000  1.5000  1.2450
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [6.3436]
_cell_length_b [13.7445]
_cell_length_c [3.3186]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Tc2HgO7]
_chemical_formula_sum '[Tc4 Hg2 O14]'
_cell_volume [289.3453]
_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
[
  Tc  Tc0  4  0.0000  0.3634  0.5000  1
  Hg  Hg1  2  0.0000  0.0000  0.0000  1
  O  O2  8  0.2155  0.1196  0.5000  1
  O  O3  4  0.0000  0.2985  0.0000  1
  O  O4  2  0.0000  0.5000  0.5000  1
]