data_MgHgRh
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.47
_cell_length_b   4.47
_cell_length_c   3.05
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MgHgRh
_chemical_formula_sum   'Mg1 Hg1 Rh1'
_cell_volume   52.72
_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
  Mg  Mg1  1  0.0  0.0  0.04  1.0
  Hg  Hg0  1  0.24  0.29  0.09  1.0
  Rh  Rh2  1  0.0  0.58  0.92  1.0

data_MgHgRh
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.05
_cell_length_b   4.47
_cell_length_c   4.47
_cell_angle_alpha   120.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MgHgRh
_chemical_formula_sum   'Mg1 Hg1 Rh1'
_cell_volume   52.72
_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
  Mg  Mg0  1  0.04  0.0  0.0  1.0
  Hg  Hg1  1  0.09  0.24  0.29  1.0
  Rh  Rh2  1  0.92  0.0  0.58  1.0

Mg Hg Rh
Mg Hg Rh 0 1 o o o 0 2 o - - 1 2 o o - 