data_[Mg14Hg2Pt8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Hg  2.0000  1.5000  1.2450
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.8857]
_cell_length_b [4.8976]
_cell_length_c [9.2348]
_cell_angle_alpha [90.0000]
_cell_angle_beta [126.6583]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Mg7HgPt4]
_chemical_formula_sum '[Mg14 Hg2 Pt8]'
_cell_volume [467.5257]
_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
[
  Mg  Mg0  4  0.0658  0.0000  0.3608  1
  Mg  Mg1  4  0.1857  0.5000  0.6288  1
  Mg  Mg2  4  0.2188  0.0000  0.8724  1
  Mg  Mg3  2  0.0000  0.5000  0.0000  1
  Hg  Hg4  2  0.0000  0.0000  0.0000  1
  Pt  Pt5  4  0.0655  0.5000  0.7756  1
  Pt  Pt6  4  0.1972  0.5000  0.3467  1
]