data_Mg2SiAu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.14
_cell_length_b   3.14
_cell_length_c   7.81
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   93.02
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg2SiAu
_chemical_formula_sum   'Mg2 Si1 Au1'
_cell_volume   76.67
_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  0.26  1.0
  Mg  Mg2  1  0.16  0.0  0.63  1.0
  Si  Si3  1  0.0  0.0  0.73  1.0
  Au  Au0  1  0.16  0.0  0.08  1.0

data_Mg2SiAu
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.14
_cell_length_b   3.14
_cell_length_c   7.81
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   93.02
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg2SiAu
_chemical_formula_sum   'Mg2 Si1 Au1'
_cell_volume   76.67
_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  0.0  0.0  0.26  1.0
  Mg  Mg1  1  0.16  0.0  0.63  1.0
  Si  Si2  1  0.0  0.0  0.73  1.0
  Au  Au3  1  0.16  0.0  0.08  1.0

Mg Mg Si Au