The material structure described by U2(InSn)3 crystallizes in the orthorhombic Pmmm space group. U(1) is bonded to two equivalent In(2), four equivalent In(1), two equivalent Sn(1), two equivalent Sn(2), and two equivalent Sn(3) atoms to form UIn6Sn6 cuboctahedra that share corners with twelve equivalent U(1)In6Sn6 cuboctahedra, edges with four equivalent In(2)U4In4Sn4 cuboctahedra, edges with four equivalent Sn(1)U4In4Sn4 cuboctahedra, edges with four equivalent Sn(3)U4In4Sn4 cuboctahedra, edges with four equivalent Sn(2)U4In8 cuboctahedra, edges with eight equivalent In(1)U4In2Sn6 cuboctahedra, faces with two equivalent In(2)U4In4Sn4 cuboctahedra, faces with two equivalent Sn(1)U4In4Sn4 cuboctahedra, faces with two equivalent Sn(3)U4In4Sn4 cuboctahedra, faces with two equivalent Sn(2)U4In8 cuboctahedra, faces with four equivalent In(1)U4In2Sn6 cuboctahedra, and faces with six equivalent U(1)In6Sn6 cuboctahedra. There are two inequivalent In sites. In the first In site, In(1) is bonded to four equivalent U(1), two equivalent In(2), two equivalent Sn(1), two equivalent Sn(2), and two equivalent Sn(3) atoms to form InU4In2Sn6 cuboctahedra that share corners with twelve equivalent In(1)U4In2Sn6 cuboctahedra, edges with four equivalent In(2)U4In4Sn4 cuboctahedra, edges with four equivalent Sn(1)U4In4Sn4 cuboctahedra, edges with four equivalent Sn(3)U4In4Sn4 cuboctahedra, edges with four equivalent Sn(2)U4In8 cuboctahedra, edges with eight equivalent U(1)In6Sn6 cuboctahedra, faces with two equivalent In(2)U4In4Sn4 cuboctahedra, faces with two equivalent Sn(1)U4In4Sn4 cuboctahedra, faces with two equivalent Sn(3)U4In4Sn4 cuboctahedra, faces with two equivalent Sn(2)U4In8 cuboctahedra, faces with four equivalent U(1)In6Sn6 cuboctahedra, and faces with six equivalent In(1)U4In2Sn6 cuboctahedra. In the second In site, In(2) is bonded to four equivalent U(1), four equivalent In(1), and four equivalent Sn(2) atoms to form InU4In4Sn4 cuboctahedra that share corners with four equivalent In(2)U4In4Sn4 cuboctahedra, corners with eight equivalent Sn(1)U4In4Sn4 cuboctahedra, edges with eight equivalent U(1)In6Sn6 cuboctahedra, edges with eight equivalent In(1)U4In2Sn6 cuboctahedra, edges with eight equivalent Sn(3)U4In4Sn4 cuboctahedra, faces with two equivalent Sn(1)U4In4Sn4 cuboctahedra, faces with four equivalent U(1)In6Sn6 cuboctahedra, faces with four equivalent In(1)U4In2Sn6 cuboctahedra, faces with four equivalent In(2)U4In4Sn4 cuboctahedra, and faces with four equivalent Sn(2)U4In8 cuboctahedra. There are three inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to four equivalent U(1), four equivalent In(1), and four equivalent Sn(3) atoms to form distorted SnU4In4Sn4 cuboctahedra that share corners with four equivalent Sn(1)U4In4Sn4 cuboctahedra, corners with eight equivalent In(2)U4In4Sn4 cuboctahedra, edges with eight equivalent U(1)In6Sn6 cuboctahedra, edges with eight equivalent In(1)U4In2Sn6 cuboctahedra, edges with eight equivalent Sn(2)U4In8 cuboctahedra, faces with two equivalent In(2)U4In4Sn4 cuboctahedra, faces with four equivalent U(1)In6Sn6 cuboctahedra, faces with four equivalent In(1)U4In2Sn6 cuboctahedra, faces with four equivalent Sn(1)U4In4Sn4 cuboctahedra, and faces with four equivalent Sn(3)U4In4Sn4 cuboctahedra. In the second Sn site, Sn(2) is bonded to four equivalent U(1), four equivalent In(1), and four equivalent In(2) atoms to form SnU4In8 cuboctahedra that share corners with four equivalent Sn(2)U4In8 cuboctahedra, corners with eight equivalent Sn(3)U4In4Sn4 cuboctahedra, edges with eight equivalent U(1)In6Sn6 cuboctahedra, edges with eight equivalent In(1)U4In2Sn6 cuboctahedra, edges with eight equivalent Sn(1)U4In4Sn4 cuboctahedra, faces with two equivalent Sn(3)U4In4Sn4 cuboctahedra, faces with four equivalent U(1)In6Sn6 cuboctahedra, faces with four equivalent In(1)U4In2Sn6 cuboctahedra, faces with four equivalent In(2)U4In4Sn4 cuboctahedra, and faces with four equivalent Sn(2)U4In8 cuboctahedra. In the third Sn site, Sn(3) is bonded to four equivalent U(1), four equivalent In(1), and four equivalent Sn(1) atoms to form distorted SnU4In4Sn4 cuboctahedra that share corners with four equivalent Sn(3)U4In4Sn4 cuboctahedra, corners with eight equivalent Sn(2)U4In8 cuboctahedra, edges with eight equivalent U(1)In6Sn6 cuboctahedra, edges with eight equivalent In(1)U4In2Sn6 cuboctahedra, edges with eight equivalent In(2)U4In4Sn4 cuboctahedra, faces with two equivalent Sn(2)U4In8 cuboctahedra, faces with four equivalent U(1)In6Sn6 cuboctahedra, faces with four equivalent In(1)U4In2Sn6 cuboctahedra, faces with four equivalent Sn(1)U4In4Sn4 cuboctahedra, and faces with four equivalent Sn(3)U4In4Sn4 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_U2(InSn)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.642
_cell_length_b   4.749
_cell_length_c   9.127
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   201.203
_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
  U  U0  1  0.000  0.000  0.246  1.0
  U  U1  1  0.000  0.000  0.754  1.0
  In  In2  1  0.500  0.500  0.253  1.0
  In  In3  1  0.500  0.500  0.747  1.0
  In  In4  1  0.000  0.500  0.500  1.0
  Sn  Sn5  1  0.000  0.500  0.000  1.0
  Sn  Sn6  1  0.500  0.000  0.500  1.0
  Sn  Sn7  1  0.500  0.000  0.000  1.0
[/CIF]
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The material structure described by U2(InSn)3 crystallizes in the orthorhombic Pmmm space group. U(1) is bonded to two equivalent In(2), four equivalent In(1), two equivalent Sn(1), two equivalent Sn(2), and two equivalent Sn(3) atoms to form UIn6Sn6 cuboctahedra that share corners with twelve equivalent U(1)In6Sn6 cuboctahedra, edges with four equivalent In(2)U4In4Sn4 cuboctahedra, edges with four equivalent Sn(1)U4In4Sn4 cuboctahedra, edges with four equivalent Sn(3)U4In4Sn4 cuboctahedra, edges with four equivalent Sn(2)U4In8 cuboctahedra, edges with eight equivalent In(1)U4In2Sn6 cuboctahedra, faces with two equivalent In(2)U4In4Sn4 cuboctahedra, faces with two equivalent Sn(1)U4In4Sn4 cuboctahedra, faces with two equivalent Sn(3)U4In4Sn4 cuboctahedra, faces with two equivalent Sn(2)U4In8 cuboctahedra, faces with four equivalent In(1)U4In2Sn6 cuboctahedra, and faces with six equivalent U(1)In6Sn6 cuboctahedra. There are two inequivalent In sites. In the first In site, In(1) is bonded to four equivalent U(1), two equivalent In(2), two equivalent Sn(1), two equivalent Sn(2), and two equivalent Sn(3) atoms to form InU4In2Sn6 cuboctahedra that share corners with twelve equivalent In(1)U4In2Sn6 cuboctahedra, edges with four equivalent In(2)U4In4Sn4 cuboctahedra, edges with four equivalent Sn(1)U4In4Sn4 cuboctahedra, edges with four equivalent Sn(3)U4In4Sn4 cuboctahedra, edges with four equivalent Sn(2)U4In8 cuboctahedra, edges with eight equivalent U(1)In6Sn6 cuboctahedra, faces with two equivalent In(2)U4In4Sn4 cuboctahedra, faces with two equivalent Sn(1)U4In4Sn4 cuboctahedra, faces with two equivalent Sn(3)U4In4Sn4 cuboctahedra, faces with two equivalent Sn(2)U4In8 cuboctahedra, faces with four equivalent U(1)In6Sn6 cuboctahedra, and faces with six equivalent In(1)U4In2Sn6 cuboctahedra. In the second In site, In(2) is bonded to four equivalent U(1), four equivalent In(1), and four equivalent Sn(2) atoms to form InU4In4Sn4 cuboctahedra that share corners with four equivalent In(2)U4In4Sn4 cuboctahedra, corners with eight equivalent Sn(1)U4In4Sn4 cuboctahedra, edges with eight equivalent U(1)In6Sn6 cuboctahedra, edges with eight equivalent In(1)U4In2Sn6 cuboctahedra, edges with eight equivalent Sn(3)U4In4Sn4 cuboctahedra, faces with two equivalent Sn(1)U4In4Sn4 cuboctahedra, faces with four equivalent U(1)In6Sn6 cuboctahedra, faces with four equivalent In(1)U4In2Sn6 cuboctahedra, faces with four equivalent In(2)U4In4Sn4 cuboctahedra, and faces with four equivalent Sn(2)U4In8 cuboctahedra. There are three inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to four equivalent U(1), four equivalent In(1), and four equivalent Sn(3) atoms to form distorted SnU4In4Sn4 cuboctahedra that share corners with four equivalent Sn(1)U4In4Sn4 cuboctahedra, corners with eight equivalent In(2)U4In4Sn4 cuboctahedra, edges with eight equivalent U(1)In6Sn6 cuboctahedra, edges with eight equivalent In(1)U4In2Sn6 cuboctahedra, edges with eight equivalent Sn(2)U4In8 cuboctahedra, faces with two equivalent In(2)U4In4Sn4 cuboctahedra, faces with four equivalent U(1)In6Sn6 cuboctahedra, faces with four equivalent In(1)U4In2Sn6 cuboctahedra, faces with four equivalent Sn(1)U4In4Sn4 cuboctahedra, and faces with four equivalent Sn(3)U4In4Sn4 cuboctahedra. In the second Sn site, Sn(2) is bonded to four equivalent U(1), four equivalent In(1), and four equivalent In(2) atoms to form SnU4In8 cuboctahedra that share corners with four equivalent Sn(2)U4In8 cuboctahedra, corners with eight equivalent Sn(3)U4In4Sn4 cuboctahedra, edges with eight equivalent U(1)In6Sn6 cuboctahedra, edges with eight equivalent In(1)U4In2Sn6 cuboctahedra, edges with eight equivalent Sn(1)U4In4Sn4 cuboctahedra, faces with two equivalent Sn(3)U4In4Sn4 cuboctahedra, faces with four equivalent U(1)In6Sn6 cuboctahedra, faces with four equivalent In(1)U4In2Sn6 cuboctahedra, faces with four equivalent In(2)U4In4Sn4 cuboctahedra, and faces with four equivalent Sn(2)U4In8 cuboctahedra. In the third Sn site, Sn(3) is bonded to four equivalent U(1), four equivalent In(1), and four equivalent Sn(1) atoms to form distorted SnU4In4Sn4 cuboctahedra that share corners with four equivalent Sn(3)U4In4Sn4 cuboctahedra, corners with eight equivalent Sn(2)U4In8 cuboctahedra, edges with eight equivalent U(1)In6Sn6 cuboctahedra, edges with eight equivalent In(1)U4In2Sn6 cuboctahedra, edges with eight equivalent In(2)U4In4Sn4 cuboctahedra, faces with two equivalent Sn(2)U4In8 cuboctahedra, faces with four equivalent U(1)In6Sn6 cuboctahedra, faces with four equivalent In(1)U4In2Sn6 cuboctahedra, faces with four equivalent Sn(1)U4In4Sn4 cuboctahedra, and faces with four equivalent Sn(3)U4In4Sn4 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_U2(InSn)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.642
_cell_length_b   4.749
_cell_length_c   9.127
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   201.203
_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
  U  U0  1  0.000  0.000  0.246  1.0
  U  U1  1  0.000  0.000  0.754  1.0
  In  In2  1  0.500  0.500  0.253  1.0
  In  In3  1  0.500  0.500  0.747  1.0
  In  In4  1  0.000  0.500  0.500  1.0
  Sn  Sn5  1  0.000  0.500  0.000  1.0
  Sn  Sn6  1  0.500  0.000  0.500  1.0
  Sn  Sn7  1  0.500  0.000  0.000  1.0
[/CIF]
.