data_[Sm4Ga2Hg5]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Ga  1.8100  1.3000  0.7600
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.8548]
_cell_length_b [3.8427]
_cell_length_c [9.3993]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.1481]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Sm4Ga2Hg5]
_chemical_formula_sum '[Sm4 Ga2 Hg5]'
_cell_volume [283.6477]
_cell_formula_units_Z [1]
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  0.1973  0.5000  0.8593  1.0
  Sm  Sm1  2  0.2477  0.5000  0.4133  1.0
  Ga  Ga2  2  0.0634  0.0000  0.6249  1.0
  Hg  Hg3  2  0.1442  0.0000  0.1328  1.0
  Hg  Hg4  2  0.4337  0.0000  0.6632  1.0
  Hg  Hg5  1  0.5000  0.0000  0.0000  1.0
]