data_[Sm4Ag6Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Ag  1.9300  1.6000  1.0867
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.2486]
_cell_length_b [3.8880]
_cell_length_c [7.6559]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.9816]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm2Ag3Hg2]
_chemical_formula_sum '[Sm4 Ag6 Hg4]'
_cell_volume [334.6288]
_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
[
  Sm  Sm0  4  0.1188  0.5000  0.2964  1.0
  Ag  Ag1  4  0.1860  0.5000  0.8935  1.0
  Ag  Ag2  2  0.0000  0.0000  0.0000  1.0
  Hg  Hg3  4  0.1066  0.0000  0.6318  1.0
]