data_La2SnHg
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.46
_cell_length_b   6.46
_cell_length_c   6.46
_cell_angle_alpha   138.04
_cell_angle_beta   138.04
_cell_angle_gamma   60.84
_symmetry_Int_Tables_number   1
_chemical_formula_structural   La2SnHg
_chemical_formula_sum   'La2 Sn1 Hg1'
_cell_volume   119.47
_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
  La  La1  1  0.0  0.0  0.57  1.0
  La  La2  1  0.0  0.31  0.79  1.0
  Sn  Sn3  1  0.0  0.0  0.0  1.0
  Hg  Hg0  1  0.31  0.0  0.79  1.0

data_La2SnHg
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.63
_cell_length_b   4.63
_cell_length_c   6.46
_cell_angle_alpha   110.98
_cell_angle_beta   110.98
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   La2SnHg
_chemical_formula_sum   'La2 Sn1 Hg1'
_cell_volume   119.47
_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
  La  La0  1  0.47  0.79  0.47  1.0
  La  La1  1  0.57  0.57  0.57  1.0
  Sn  Sn2  1  0.0  0.0  0.0  1.0
  Hg  Hg3  1  0.79  0.47  0.47  1.0

La La Sn Hg