The material structure described by MgIn5 crystallizes in the orthorhombic Amm2 space group. Mg(1) is bonded to two equivalent Mg(1), two equivalent In(3), two equivalent In(4), two equivalent In(5), and four equivalent In(2) atoms to form distorted MgMg2In10 cuboctahedra that share corners with six equivalent Mg(1)Mg2In10 cuboctahedra, corners with six equivalent In(5)Mg2In10 cuboctahedra, corners with eight equivalent In(4)Mg2In8 cuboctahedra,  an edgeedge with one In(4)Mg2In8 cuboctahedra, edges with three equivalent In(5)Mg2In10 cuboctahedra, edges with four equivalent In(2)Mg4In8 cuboctahedra, edges with eight equivalent In(1)In12 cuboctahedra, faces with two equivalent In(1)In12 cuboctahedra, faces with two equivalent In(5)Mg2In10 cuboctahedra, faces with two equivalent In(4)Mg2In8 cuboctahedra, faces with four equivalent Mg(1)Mg2In10 cuboctahedra, faces with four equivalent In(2)Mg4In8 cuboctahedra, and faces with six equivalent In(3)Mg2In10 cuboctahedra. There are five inequivalent In sites. In the first In site, In(1) is bonded to two equivalent In(1), two equivalent In(2), two equivalent In(3), two equivalent In(5), and four equivalent In(4) atoms to form InIn12 cuboctahedra that share corners with four equivalent In(4)Mg2In8 cuboctahedra, corners with six equivalent In(1)In12 cuboctahedra, corners with six equivalent In(3)Mg2In10 cuboctahedra, corners with six equivalent In(2)Mg4In8 cuboctahedra, edges with three equivalent In(3)Mg2In10 cuboctahedra, edges with three equivalent In(2)Mg4In8 cuboctahedra, edges with eight equivalent Mg(1)Mg2In10 cuboctahedra, faces with two equivalent Mg(1)Mg2In10 cuboctahedra, faces with two equivalent In(3)Mg2In10 cuboctahedra, faces with two equivalent In(2)Mg4In8 cuboctahedra, faces with four equivalent In(1)In12 cuboctahedra, faces with four equivalent In(4)Mg2In8 cuboctahedra, and faces with six equivalent In(5)Mg2In10 cuboctahedra. In the second In site, In(2) is bonded to four equivalent Mg(1), two equivalent In(1), two equivalent In(2), two equivalent In(3), and two equivalent In(4) atoms to form distorted InMg4In8 cuboctahedra that share corners with six equivalent In(1)In12 cuboctahedra, corners with six equivalent In(3)Mg2In10 cuboctahedra, corners with six equivalent In(2)Mg4In8 cuboctahedra, edges with three equivalent In(1)In12 cuboctahedra, edges with three equivalent In(3)Mg2In10 cuboctahedra, edges with four equivalent Mg(1)Mg2In10 cuboctahedra, edges with eight equivalent In(5)Mg2In10 cuboctahedra, faces with two equivalent In(1)In12 cuboctahedra, faces with two equivalent In(3)Mg2In10 cuboctahedra, faces with two equivalent In(5)Mg2In10 cuboctahedra, faces with four equivalent Mg(1)Mg2In10 cuboctahedra, faces with four equivalent In(2)Mg4In8 cuboctahedra, and faces with six equivalent In(4)Mg2In8 cuboctahedra. In the third In site, In(3) is bonded to two equivalent Mg(1), two equivalent In(1), two equivalent In(2), two equivalent In(3), and four equivalent In(5) atoms to form distorted InMg2In10 cuboctahedra that share corners with six equivalent In(1)In12 cuboctahedra, corners with six equivalent In(3)Mg2In10 cuboctahedra, corners with six equivalent In(2)Mg4In8 cuboctahedra, edges with three equivalent In(1)In12 cuboctahedra, edges with three equivalent In(2)Mg4In8 cuboctahedra, edges with four equivalent In(5)Mg2In10 cuboctahedra, edges with eight equivalent In(4)Mg2In8 cuboctahedra, faces with two equivalent In(1)In12 cuboctahedra, faces with two equivalent In(4)Mg2In8 cuboctahedra, faces with two equivalent In(2)Mg4In8 cuboctahedra, faces with four equivalent In(3)Mg2In10 cuboctahedra, faces with four equivalent In(5)Mg2In10 cuboctahedra, and faces with six equivalent Mg(1)Mg2In10 cuboctahedra. In the fourth In site, In(4) is bonded to two equivalent Mg(1), two equivalent In(2), two equivalent In(5), and four equivalent In(1) atoms to form distorted InMg2In8 cuboctahedra that share corners with four equivalent In(1)In12 cuboctahedra, corners with four equivalent In(4)Mg2In8 cuboctahedra, corners with eight equivalent Mg(1)Mg2In10 cuboctahedra, corners with eight equivalent In(5)Mg2In10 cuboctahedra,  an edgeedge with one Mg(1)Mg2In10 cuboctahedra,  an edgeedge with one In(5)Mg2In10 cuboctahedra, edges with eight equivalent In(3)Mg2In10 cuboctahedra, faces with two equivalent Mg(1)Mg2In10 cuboctahedra, faces with two equivalent In(3)Mg2In10 cuboctahedra, faces with two equivalent In(5)Mg2In10 cuboctahedra, faces with four equivalent In(1)In12 cuboctahedra, faces with four equivalent In(4)Mg2In8 cuboctahedra, and faces with six equivalent In(2)Mg4In8 cuboctahedra. In the fifth In site, In(5) is bonded to two equivalent Mg(1), two equivalent In(1), two equivalent In(4), two equivalent In(5), and four equivalent In(3) atoms to form distorted InMg2In10 cuboctahedra that share corners with six equivalent Mg(1)Mg2In10 cuboctahedra, corners with six equivalent In(5)Mg2In10 cuboctahedra, corners with eight equivalent In(4)Mg2In8 cuboctahedra,  an edgeedge with one In(4)Mg2In8 cuboctahedra, edges with three equivalent Mg(1)Mg2In10 cuboctahedra, edges with four equivalent In(3)Mg2In10 cuboctahedra, edges with eight equivalent In(2)Mg4In8 cuboctahedra, faces with two equivalent Mg(1)Mg2In10 cuboctahedra, faces with two equivalent In(4)Mg2In8 cuboctahedra, faces with two equivalent In(2)Mg4In8 cuboctahedra, faces with four equivalent In(3)Mg2In10 cuboctahedra, faces with four equivalent In(5)Mg2In10 cuboctahedra, and faces with six equivalent In(1)In12 cuboctahedra. is represented by the CIF card [CIF]
data_MgIn5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.688
_cell_length_b   8.688
_cell_length_c   5.390
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   157.985
_symmetry_Int_Tables_number   1
_cell_volume   152.494
_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  0.222  0.778  0.500  1.0
  In  In1  1  0.999  0.001  0.000  1.0
  In  In2  1  0.670  0.330  0.000  1.0
  In  In3  1  0.332  0.668  0.000  1.0
  In  In4  1  0.560  0.440  0.500  1.0
  In  In5  1  0.885  0.115  0.500  1.0
[/CIF]
.
The material structure described by MgIn5 crystallizes in the orthorhombic Amm2 space group. Mg(1) is bonded to two equivalent Mg(1), two equivalent In(3), two equivalent In(4), two equivalent In(5), and four equivalent In(2) atoms to form distorted MgMg2In10 cuboctahedra that share corners with six equivalent Mg(1)Mg2In10 cuboctahedra, corners with six equivalent In(5)Mg2In10 cuboctahedra, corners with eight equivalent In(4)Mg2In8 cuboctahedra,  an edgeedge with one In(4)Mg2In8 cuboctahedra, edges with three equivalent In(5)Mg2In10 cuboctahedra, edges with four equivalent In(2)Mg4In8 cuboctahedra, edges with eight equivalent In(1)In12 cuboctahedra, faces with two equivalent In(1)In12 cuboctahedra, faces with two equivalent In(5)Mg2In10 cuboctahedra, faces with two equivalent In(4)Mg2In8 cuboctahedra, faces with four equivalent Mg(1)Mg2In10 cuboctahedra, faces with four equivalent In(2)Mg4In8 cuboctahedra, and faces with six equivalent In(3)Mg2In10 cuboctahedra. There are five inequivalent In sites. In the first In site, In(1) is bonded to two equivalent In(1), two equivalent In(2), two equivalent In(3), two equivalent In(5), and four equivalent In(4) atoms to form InIn12 cuboctahedra that share corners with four equivalent In(4)Mg2In8 cuboctahedra, corners with six equivalent In(1)In12 cuboctahedra, corners with six equivalent In(3)Mg2In10 cuboctahedra, corners with six equivalent In(2)Mg4In8 cuboctahedra, edges with three equivalent In(3)Mg2In10 cuboctahedra, edges with three equivalent In(2)Mg4In8 cuboctahedra, edges with eight equivalent Mg(1)Mg2In10 cuboctahedra, faces with two equivalent Mg(1)Mg2In10 cuboctahedra, faces with two equivalent In(3)Mg2In10 cuboctahedra, faces with two equivalent In(2)Mg4In8 cuboctahedra, faces with four equivalent In(1)In12 cuboctahedra, faces with four equivalent In(4)Mg2In8 cuboctahedra, and faces with six equivalent In(5)Mg2In10 cuboctahedra. In the second In site, In(2) is bonded to four equivalent Mg(1), two equivalent In(1), two equivalent In(2), two equivalent In(3), and two equivalent In(4) atoms to form distorted InMg4In8 cuboctahedra that share corners with six equivalent In(1)In12 cuboctahedra, corners with six equivalent In(3)Mg2In10 cuboctahedra, corners with six equivalent In(2)Mg4In8 cuboctahedra, edges with three equivalent In(1)In12 cuboctahedra, edges with three equivalent In(3)Mg2In10 cuboctahedra, edges with four equivalent Mg(1)Mg2In10 cuboctahedra, edges with eight equivalent In(5)Mg2In10 cuboctahedra, faces with two equivalent In(1)In12 cuboctahedra, faces with two equivalent In(3)Mg2In10 cuboctahedra, faces with two equivalent In(5)Mg2In10 cuboctahedra, faces with four equivalent Mg(1)Mg2In10 cuboctahedra, faces with four equivalent In(2)Mg4In8 cuboctahedra, and faces with six equivalent In(4)Mg2In8 cuboctahedra. In the third In site, In(3) is bonded to two equivalent Mg(1), two equivalent In(1), two equivalent In(2), two equivalent In(3), and four equivalent In(5) atoms to form distorted InMg2In10 cuboctahedra that share corners with six equivalent In(1)In12 cuboctahedra, corners with six equivalent In(3)Mg2In10 cuboctahedra, corners with six equivalent In(2)Mg4In8 cuboctahedra, edges with three equivalent In(1)In12 cuboctahedra, edges with three equivalent In(2)Mg4In8 cuboctahedra, edges with four equivalent In(5)Mg2In10 cuboctahedra, edges with eight equivalent In(4)Mg2In8 cuboctahedra, faces with two equivalent In(1)In12 cuboctahedra, faces with two equivalent In(4)Mg2In8 cuboctahedra, faces with two equivalent In(2)Mg4In8 cuboctahedra, faces with four equivalent In(3)Mg2In10 cuboctahedra, faces with four equivalent In(5)Mg2In10 cuboctahedra, and faces with six equivalent Mg(1)Mg2In10 cuboctahedra. In the fourth In site, In(4) is bonded to two equivalent Mg(1), two equivalent In(2), two equivalent In(5), and four equivalent In(1) atoms to form distorted InMg2In8 cuboctahedra that share corners with four equivalent In(1)In12 cuboctahedra, corners with four equivalent In(4)Mg2In8 cuboctahedra, corners with eight equivalent Mg(1)Mg2In10 cuboctahedra, corners with eight equivalent In(5)Mg2In10 cuboctahedra,  an edgeedge with one Mg(1)Mg2In10 cuboctahedra,  an edgeedge with one In(5)Mg2In10 cuboctahedra, edges with eight equivalent In(3)Mg2In10 cuboctahedra, faces with two equivalent Mg(1)Mg2In10 cuboctahedra, faces with two equivalent In(3)Mg2In10 cuboctahedra, faces with two equivalent In(5)Mg2In10 cuboctahedra, faces with four equivalent In(1)In12 cuboctahedra, faces with four equivalent In(4)Mg2In8 cuboctahedra, and faces with six equivalent In(2)Mg4In8 cuboctahedra. In the fifth In site, In(5) is bonded to two equivalent Mg(1), two equivalent In(1), two equivalent In(4), two equivalent In(5), and four equivalent In(3) atoms to form distorted InMg2In10 cuboctahedra that share corners with six equivalent Mg(1)Mg2In10 cuboctahedra, corners with six equivalent In(5)Mg2In10 cuboctahedra, corners with eight equivalent In(4)Mg2In8 cuboctahedra,  an edgeedge with one In(4)Mg2In8 cuboctahedra, edges with three equivalent Mg(1)Mg2In10 cuboctahedra, edges with four equivalent In(3)Mg2In10 cuboctahedra, edges with eight equivalent In(2)Mg4In8 cuboctahedra, faces with two equivalent Mg(1)Mg2In10 cuboctahedra, faces with two equivalent In(4)Mg2In8 cuboctahedra, faces with two equivalent In(2)Mg4In8 cuboctahedra, faces with four equivalent In(3)Mg2In10 cuboctahedra, faces with four equivalent In(5)Mg2In10 cuboctahedra, and faces with six equivalent In(1)In12 cuboctahedra. is represented by the CIF card [CIF]
data_MgIn5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.688
_cell_length_b   8.688
_cell_length_c   5.390
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   157.985
_symmetry_Int_Tables_number   1
_cell_volume   152.494
_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  0.222  0.778  0.500  1.0
  In  In1  1  0.999  0.001  0.000  1.0
  In  In2  1  0.670  0.330  0.000  1.0
  In  In3  1  0.332  0.668  0.000  1.0
  In  In4  1  0.560  0.440  0.500  1.0
  In  In5  1  0.885  0.115  0.500  1.0
[/CIF]
.