data_[Sm2In2Hg8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  In  1.7800  1.5500  0.9400
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [4.7811]
_cell_length_b [12.8071]
_cell_length_c [4.9207]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [SmInHg4]
_chemical_formula_sum '[Sm2 In2 Hg8]'
_cell_volume [301.3035]
_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  2  0.0000  0.0000  0.0000  1.0
  In  In1  2  0.0000  0.5000  0.5000  1.0
  Hg  Hg2  4  0.0000  0.1660  0.5000  1.0
  Hg  Hg3  4  0.0000  0.3279  0.0000  1.0
]