data_[Ac6Hg2Ge4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Hg  2.0000  1.5000  1.2450
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [4.6331]
_cell_length_b [17.1999]
_cell_length_c [4.6966]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Ac3HgGe2]
_chemical_formula_sum '[Ac6 Hg2 Ge4]'
_cell_volume [374.2647]
_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
[
  Ac  Ac0  4  0.0000  0.3306  0.0000  1
  Ac  Ac1  2  0.0000  0.5000  0.5000  1
  Hg  Hg2  2  0.0000  0.0000  0.0000  1
  Ge  Ge3  4  0.0000  0.1602  0.5000  1
]