data_SrGaHg
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.27
_cell_length_b   6.22
_cell_length_c   3.82
_cell_angle_alpha   72.88
_cell_angle_beta   71.5
_cell_angle_gamma   35.62
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrGaHg
_chemical_formula_sum   'Sr1 Ga1 Hg1'
_cell_volume   82.18
_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
  Sr  Sr2  1  0.65  0.76  0.77  1.0
  Ga  Ga0  1  0.65  0.76  0.18  1.0
  Hg  Hg1  1  0.65  0.76  0.32  1.0

data_SrGaHg
_symmetry_space_group_name_H-M   Imm2
_cell_length_a   3.82
_cell_length_b   11.26
_cell_length_c   3.82
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   44
_chemical_formula_structural   SrGaHg
_chemical_formula_sum   'Sr2 Ga2 Hg2'
_cell_volume   164.5
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-x, -y, z'
  3  '-x, y, z'
  4  'x, -y, z'
  5  'x+1/2, y+1/2, z+1/2'
  6  '-x+1/2, -y+1/2, z+1/2'
  7  '-x+1/2, y+1/2, z+1/2'
  8  'x+1/2, -y+1/2, z+1/2'
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
  Sr  Sr0  2  0.0  0.0  0.52  1.0
  Ga  Ga1  2  0.0  0.0  0.94  1.0
  Hg  Hg2  2  0.0  0.0  0.07  1.0

Sr Ga Hg
Sr Ga Hg 0 2 o o o 0 1 o o + 1 2 o o o 