data_Mg2CoHg
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.12
_cell_length_b   4.37
_cell_length_c   5.43
_cell_angle_alpha   90.0
_cell_angle_beta   103.67
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg2CoHg
_chemical_formula_sum   'Mg2 Co1 Hg1'
_cell_volume   71.93
_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  Mg2  1  0.77  0.0  0.09  1.0
  Mg  Mg3  1  0.92  0.19  0.62  1.0
  Co  Co0  1  0.44  0.0  0.46  1.0
  Hg  Hg1  1  0.34  0.19  0.01  1.0

data_Mg2CoHg
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.12
_cell_length_b   4.37
_cell_length_c   5.43
_cell_angle_alpha   90.0
_cell_angle_beta   103.67
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg2CoHg
_chemical_formula_sum   'Mg2 Co1 Hg1'
_cell_volume   71.93
_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  0.77  0.0  0.09  1.0
  Mg  Mg1  1  0.92  0.19  0.62  1.0
  Co  Co2  1  0.44  0.0  0.46  1.0
  Hg  Hg3  1  0.34  0.19  0.01  1.0

Mg Mg Co Hg