The structure described by Mg5In crystallizes in the monoclinic Cm space group. There are five inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to one Mg(4), two equivalent Mg(1), two equivalent Mg(3), two equivalent Mg(5), three equivalent Mg(2), and two equivalent In(1) atoms to form distorted MgMg10In2 cuboctahedra that share corners with two equivalent In(1)Mg10 cuboctahedra, corners with six equivalent Mg(1)Mg10In2 cuboctahedra, corners with six equivalent Mg(3)Mg11In cuboctahedra, corners with six equivalent Mg(5)Mg9In3 cuboctahedra, edges with two equivalent Mg(2)Mg10In2 cuboctahedra, edges with three equivalent Mg(3)Mg11In cuboctahedra, edges with three equivalent Mg(5)Mg9In3 cuboctahedra, edges with four equivalent Mg(4)Mg10In2 cuboctahedra, edges with four equivalent In(1)Mg10 cuboctahedra, faces with two equivalent Mg(1)Mg10In2 cuboctahedra, faces with three equivalent Mg(3)Mg11In cuboctahedra, faces with three equivalent Mg(5)Mg9In3 cuboctahedra, faces with three equivalent In(1)Mg10 cuboctahedra, faces with four equivalent Mg(4)Mg10In2 cuboctahedra, and faces with five equivalent Mg(2)Mg10In2 cuboctahedra. In the second Mg site, Mg(2) is bonded to one Mg(5), two equivalent Mg(2), two equivalent Mg(3), two equivalent Mg(4), three equivalent Mg(1), and two equivalent In(1) atoms to form distorted MgMg10In2 cuboctahedra that share corners with six equivalent Mg(2)Mg10In2 cuboctahedra, corners with six equivalent Mg(4)Mg10In2 cuboctahedra, corners with eight equivalent In(1)Mg10 cuboctahedra,  an edgeedge with one In(1)Mg10 cuboctahedra, edges with two equivalent Mg(1)Mg10In2 cuboctahedra, edges with three equivalent Mg(4)Mg10In2 cuboctahedra, edges with four equivalent Mg(5)Mg9In3 cuboctahedra, edges with six equivalent Mg(3)Mg11In cuboctahedra, faces with two equivalent Mg(2)Mg10In2 cuboctahedra, faces with three equivalent Mg(4)Mg10In2 cuboctahedra, faces with three equivalent Mg(3)Mg11In cuboctahedra, faces with three equivalent In(1)Mg10 cuboctahedra, faces with four equivalent Mg(5)Mg9In3 cuboctahedra, and faces with five equivalent Mg(1)Mg10In2 cuboctahedra. In the third Mg site, Mg(3) is bonded to two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), two equivalent Mg(5), three equivalent Mg(4), and one In(1) atom to form distorted MgMg11In cuboctahedra that share corners with six equivalent Mg(1)Mg10In2 cuboctahedra, corners with six equivalent Mg(3)Mg11In cuboctahedra, corners with six equivalent Mg(5)Mg9In3 cuboctahedra, edges with two equivalent Mg(4)Mg10In2 cuboctahedra, edges with three equivalent Mg(1)Mg10In2 cuboctahedra, edges with three equivalent Mg(5)Mg9In3 cuboctahedra, edges with four equivalent In(1)Mg10 cuboctahedra, edges with six equivalent Mg(2)Mg10In2 cuboctahedra, faces with two equivalent Mg(3)Mg11In cuboctahedra, faces with three equivalent Mg(1)Mg10In2 cuboctahedra, faces with three equivalent Mg(2)Mg10In2 cuboctahedra, faces with three equivalent Mg(5)Mg9In3 cuboctahedra, faces with four equivalent In(1)Mg10 cuboctahedra, and faces with five equivalent Mg(4)Mg10In2 cuboctahedra. In the fourth Mg site, Mg(4) is bonded to one Mg(1), two equivalent Mg(2), two equivalent Mg(4), two equivalent Mg(5), three equivalent Mg(3), and two equivalent In(1) atoms to form distorted MgMg10In2 cuboctahedra that share corners with six equivalent Mg(2)Mg10In2 cuboctahedra, corners with six equivalent Mg(4)Mg10In2 cuboctahedra, corners with eight equivalent In(1)Mg10 cuboctahedra,  an edgeedge with one In(1)Mg10 cuboctahedra, edges with two equivalent Mg(3)Mg11In cuboctahedra, edges with three equivalent Mg(2)Mg10In2 cuboctahedra, edges with four equivalent Mg(1)Mg10In2 cuboctahedra, edges with six equivalent Mg(5)Mg9In3 cuboctahedra, faces with two equivalent Mg(4)Mg10In2 cuboctahedra, faces with three equivalent Mg(2)Mg10In2 cuboctahedra, faces with three equivalent Mg(5)Mg9In3 cuboctahedra, faces with three equivalent In(1)Mg10 cuboctahedra, faces with four equivalent Mg(1)Mg10In2 cuboctahedra, and faces with five equivalent Mg(3)Mg11In cuboctahedra. In the fifth Mg site, Mg(5) is bonded to one Mg(2), two equivalent Mg(1), two equivalent Mg(3), two equivalent Mg(4), two equivalent Mg(5), and three equivalent In(1) atoms to form distorted MgMg9In3 cuboctahedra that share corners with two equivalent In(1)Mg10 cuboctahedra, corners with six equivalent Mg(1)Mg10In2 cuboctahedra, corners with six equivalent Mg(3)Mg11In cuboctahedra, corners with six equivalent Mg(5)Mg9In3 cuboctahedra, edges with three equivalent Mg(1)Mg10In2 cuboctahedra, edges with three equivalent Mg(3)Mg11In cuboctahedra, edges with four equivalent Mg(2)Mg10In2 cuboctahedra, edges with six equivalent Mg(4)Mg10In2 cuboctahedra, faces with two equivalent Mg(5)Mg9In3 cuboctahedra, faces with three equivalent Mg(1)Mg10In2 cuboctahedra, faces with three equivalent Mg(4)Mg10In2 cuboctahedra, faces with three equivalent Mg(3)Mg11In cuboctahedra, faces with four equivalent Mg(2)Mg10In2 cuboctahedra, and faces with five equivalent In(1)Mg10 cuboctahedra. In(1) is bonded to one Mg(3), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(4), and three equivalent Mg(5) atoms to form distorted InMg10 cuboctahedra that share corners with two equivalent Mg(1)Mg10In2 cuboctahedra, corners with two equivalent Mg(5)Mg9In3 cuboctahedra, corners with four equivalent In(1)Mg10 cuboctahedra, corners with eight equivalent Mg(2)Mg10In2 cuboctahedra, corners with eight equivalent Mg(4)Mg10In2 cuboctahedra,  an edgeedge with one Mg(2)Mg10In2 cuboctahedra,  an edgeedge with one Mg(4)Mg10In2 cuboctahedra, edges with four equivalent Mg(1)Mg10In2 cuboctahedra, edges with four equivalent Mg(3)Mg11In cuboctahedra, faces with two equivalent In(1)Mg10 cuboctahedra, faces with three equivalent Mg(1)Mg10In2 cuboctahedra, faces with three equivalent Mg(2)Mg10In2 cuboctahedra, faces with three equivalent Mg(4)Mg10In2 cuboctahedra, faces with four equivalent Mg(3)Mg11In cuboctahedra, and faces with five equivalent Mg(5)Mg9In3 cuboctahedra. is represented by the CIF card [CIF]
data_Mg5In
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.004
_cell_length_b   6.004
_cell_length_c   7.427
_cell_angle_alpha   75.107
_cell_angle_beta   75.107
_cell_angle_gamma   31.648
_symmetry_Int_Tables_number   1
_cell_volume   135.355
_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  0.999  0.999  0.003  1.0
  Mg  Mg1  1  0.279  0.279  0.943  1.0
  Mg  Mg2  1  0.668  0.668  0.669  1.0
  Mg  Mg3  1  0.947  0.947  0.606  1.0
  Mg  Mg4  1  0.330  0.330  0.334  1.0
  In  In5  1  0.610  0.610  0.278  1.0
[/CIF]
.
The structure described by Mg5In crystallizes in the monoclinic Cm space group. There are five inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to one Mg(4), two equivalent Mg(1), two equivalent Mg(3), two equivalent Mg(5), three equivalent Mg(2), and two equivalent In(1) atoms to form distorted MgMg10In2 cuboctahedra that share corners with two equivalent In(1)Mg10 cuboctahedra, corners with six equivalent Mg(1)Mg10In2 cuboctahedra, corners with six equivalent Mg(3)Mg11In cuboctahedra, corners with six equivalent Mg(5)Mg9In3 cuboctahedra, edges with two equivalent Mg(2)Mg10In2 cuboctahedra, edges with three equivalent Mg(3)Mg11In cuboctahedra, edges with three equivalent Mg(5)Mg9In3 cuboctahedra, edges with four equivalent Mg(4)Mg10In2 cuboctahedra, edges with four equivalent In(1)Mg10 cuboctahedra, faces with two equivalent Mg(1)Mg10In2 cuboctahedra, faces with three equivalent Mg(3)Mg11In cuboctahedra, faces with three equivalent Mg(5)Mg9In3 cuboctahedra, faces with three equivalent In(1)Mg10 cuboctahedra, faces with four equivalent Mg(4)Mg10In2 cuboctahedra, and faces with five equivalent Mg(2)Mg10In2 cuboctahedra. In the second Mg site, Mg(2) is bonded to one Mg(5), two equivalent Mg(2), two equivalent Mg(3), two equivalent Mg(4), three equivalent Mg(1), and two equivalent In(1) atoms to form distorted MgMg10In2 cuboctahedra that share corners with six equivalent Mg(2)Mg10In2 cuboctahedra, corners with six equivalent Mg(4)Mg10In2 cuboctahedra, corners with eight equivalent In(1)Mg10 cuboctahedra,  an edgeedge with one In(1)Mg10 cuboctahedra, edges with two equivalent Mg(1)Mg10In2 cuboctahedra, edges with three equivalent Mg(4)Mg10In2 cuboctahedra, edges with four equivalent Mg(5)Mg9In3 cuboctahedra, edges with six equivalent Mg(3)Mg11In cuboctahedra, faces with two equivalent Mg(2)Mg10In2 cuboctahedra, faces with three equivalent Mg(4)Mg10In2 cuboctahedra, faces with three equivalent Mg(3)Mg11In cuboctahedra, faces with three equivalent In(1)Mg10 cuboctahedra, faces with four equivalent Mg(5)Mg9In3 cuboctahedra, and faces with five equivalent Mg(1)Mg10In2 cuboctahedra. In the third Mg site, Mg(3) is bonded to two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), two equivalent Mg(5), three equivalent Mg(4), and one In(1) atom to form distorted MgMg11In cuboctahedra that share corners with six equivalent Mg(1)Mg10In2 cuboctahedra, corners with six equivalent Mg(3)Mg11In cuboctahedra, corners with six equivalent Mg(5)Mg9In3 cuboctahedra, edges with two equivalent Mg(4)Mg10In2 cuboctahedra, edges with three equivalent Mg(1)Mg10In2 cuboctahedra, edges with three equivalent Mg(5)Mg9In3 cuboctahedra, edges with four equivalent In(1)Mg10 cuboctahedra, edges with six equivalent Mg(2)Mg10In2 cuboctahedra, faces with two equivalent Mg(3)Mg11In cuboctahedra, faces with three equivalent Mg(1)Mg10In2 cuboctahedra, faces with three equivalent Mg(2)Mg10In2 cuboctahedra, faces with three equivalent Mg(5)Mg9In3 cuboctahedra, faces with four equivalent In(1)Mg10 cuboctahedra, and faces with five equivalent Mg(4)Mg10In2 cuboctahedra. In the fourth Mg site, Mg(4) is bonded to one Mg(1), two equivalent Mg(2), two equivalent Mg(4), two equivalent Mg(5), three equivalent Mg(3), and two equivalent In(1) atoms to form distorted MgMg10In2 cuboctahedra that share corners with six equivalent Mg(2)Mg10In2 cuboctahedra, corners with six equivalent Mg(4)Mg10In2 cuboctahedra, corners with eight equivalent In(1)Mg10 cuboctahedra,  an edgeedge with one In(1)Mg10 cuboctahedra, edges with two equivalent Mg(3)Mg11In cuboctahedra, edges with three equivalent Mg(2)Mg10In2 cuboctahedra, edges with four equivalent Mg(1)Mg10In2 cuboctahedra, edges with six equivalent Mg(5)Mg9In3 cuboctahedra, faces with two equivalent Mg(4)Mg10In2 cuboctahedra, faces with three equivalent Mg(2)Mg10In2 cuboctahedra, faces with three equivalent Mg(5)Mg9In3 cuboctahedra, faces with three equivalent In(1)Mg10 cuboctahedra, faces with four equivalent Mg(1)Mg10In2 cuboctahedra, and faces with five equivalent Mg(3)Mg11In cuboctahedra. In the fifth Mg site, Mg(5) is bonded to one Mg(2), two equivalent Mg(1), two equivalent Mg(3), two equivalent Mg(4), two equivalent Mg(5), and three equivalent In(1) atoms to form distorted MgMg9In3 cuboctahedra that share corners with two equivalent In(1)Mg10 cuboctahedra, corners with six equivalent Mg(1)Mg10In2 cuboctahedra, corners with six equivalent Mg(3)Mg11In cuboctahedra, corners with six equivalent Mg(5)Mg9In3 cuboctahedra, edges with three equivalent Mg(1)Mg10In2 cuboctahedra, edges with three equivalent Mg(3)Mg11In cuboctahedra, edges with four equivalent Mg(2)Mg10In2 cuboctahedra, edges with six equivalent Mg(4)Mg10In2 cuboctahedra, faces with two equivalent Mg(5)Mg9In3 cuboctahedra, faces with three equivalent Mg(1)Mg10In2 cuboctahedra, faces with three equivalent Mg(4)Mg10In2 cuboctahedra, faces with three equivalent Mg(3)Mg11In cuboctahedra, faces with four equivalent Mg(2)Mg10In2 cuboctahedra, and faces with five equivalent In(1)Mg10 cuboctahedra. In(1) is bonded to one Mg(3), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(4), and three equivalent Mg(5) atoms to form distorted InMg10 cuboctahedra that share corners with two equivalent Mg(1)Mg10In2 cuboctahedra, corners with two equivalent Mg(5)Mg9In3 cuboctahedra, corners with four equivalent In(1)Mg10 cuboctahedra, corners with eight equivalent Mg(2)Mg10In2 cuboctahedra, corners with eight equivalent Mg(4)Mg10In2 cuboctahedra,  an edgeedge with one Mg(2)Mg10In2 cuboctahedra,  an edgeedge with one Mg(4)Mg10In2 cuboctahedra, edges with four equivalent Mg(1)Mg10In2 cuboctahedra, edges with four equivalent Mg(3)Mg11In cuboctahedra, faces with two equivalent In(1)Mg10 cuboctahedra, faces with three equivalent Mg(1)Mg10In2 cuboctahedra, faces with three equivalent Mg(2)Mg10In2 cuboctahedra, faces with three equivalent Mg(4)Mg10In2 cuboctahedra, faces with four equivalent Mg(3)Mg11In cuboctahedra, and faces with five equivalent Mg(5)Mg9In3 cuboctahedra. is represented by the CIF card [CIF]
data_Mg5In
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.004
_cell_length_b   6.004
_cell_length_c   7.427
_cell_angle_alpha   75.107
_cell_angle_beta   75.107
_cell_angle_gamma   31.648
_symmetry_Int_Tables_number   1
_cell_volume   135.355
_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  0.999  0.999  0.003  1.0
  Mg  Mg1  1  0.279  0.279  0.943  1.0
  Mg  Mg2  1  0.668  0.668  0.669  1.0
  Mg  Mg3  1  0.947  0.947  0.606  1.0
  Mg  Mg4  1  0.330  0.330  0.334  1.0
  In  In5  1  0.610  0.610  0.278  1.0
[/CIF]
.