data_SiAgHg2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.05
_cell_length_b   3.05
_cell_length_c   9.3
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   91.35
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiAgHg2
_chemical_formula_sum   'Si1 Ag1 Hg2'
_cell_volume   86.22
_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
  Si  Si3  1  0.0  0.0  0.33  1.0
  Ag  Ag0  1  0.13  0.0  0.61  1.0
  Hg  Hg1  1  0.0  0.0  0.25  1.0
  Hg  Hg2  1  0.13  0.0  0.76  1.0

data_SiAgHg2
_symmetry_space_group_name_H-M   Pm
_cell_length_a   3.05
_cell_length_b   3.05
_cell_length_c   9.3
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   6
_chemical_formula_structural   SiAgHg2
_chemical_formula_sum   'Si1 Ag1 Hg2'
_cell_volume   86.24
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '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
  Si  Si0  1  0.0  0.0  0.33  1.0
  Ag  Ag1  1  0.13  0.0  0.61  1.0
  Hg  Hg2  1  0.0  0.0  0.25  1.0
  Hg  Hg3  1  0.13  0.0  0.76  1.0

Si Ag Hg Hg