data_MgCdSi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.1
_cell_length_b   6.96
_cell_length_c   2.98
_cell_angle_alpha   80.38
_cell_angle_beta   75.21
_cell_angle_gamma   24.41
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MgCdSi
_chemical_formula_sum   'Mg1 Cd1 Si1'
_cell_volume   57.97
_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  0.86  0.32  0.18  1.0
  Cd  Cd0  1  0.86  0.32  0.3  1.0
  Si  Si2  1  0.86  0.32  0.35  1.0

data_MgCdSi
_symmetry_space_group_name_H-M   Cm
_cell_length_a   3.72
_cell_length_b   13.42
_cell_length_c   2.98
_cell_angle_alpha   90.0
_cell_angle_beta   128.71
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   MgCdSi
_chemical_formula_sum   'Mg2 Cd2 Si2'
_cell_volume   115.94
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  2  0.36  0.5  0.05  1.0
  Cd  Cd1  2  0.36  0.5  0.16  1.0
  Si  Si2  2  0.36  0.5  0.21  1.0

Mg Cd Si