data_[Sr3Li6Mg3Hg12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Li  0.9800  1.4500  0.9000
  Mg  1.3100  1.5000  0.8600
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [4.8124]
_cell_length_b [4.8124]
_cell_length_c [28.3828]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [SrLi2MgHg4]
_chemical_formula_sum '[Sr3 Li6 Mg3 Hg12]'
_cell_volume [569.2591]
_cell_formula_units_Z [3]
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
[
  Sr  Sr0  3  0.0000  0.0000  0.0000  1
  Li  Li1  6  0.0000  0.0000  0.2325  1
  Mg  Mg2  3  -0.0000  -0.0000  0.5000  1
  Hg  Hg3  6  0.0000  0.0000  0.1278  1
  Hg  Hg4  6  0.0000  0.0000  0.3974  1
]