[CIF]
data_Mg
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.18579036
_cell_length_b   3.18579036
_cell_length_c   5.18708152
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   120.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg
_chemical_formula_sum   Mg2
_cell_volume   45.59194209
_cell_formula_units_Z   2
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  -0.00000000  1.83931692  1.29677038  1
  Mg  Mg1  1  1.59289518  0.91965846  3.89031114  1
[/CIF]
