The structure described by Tb2(InSn)3 is beta Cu3Ti-derived structured and crystallizes in the orthorhombic Pmmm space group. Tb(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 TbIn6Sn6 cuboctahedra that share corners with twelve equivalent Tb(1)In6Sn6 cuboctahedra, edges with four equivalent In(2)Tb4In4Sn4 cuboctahedra, edges with four equivalent Sn(1)Tb4In4Sn4 cuboctahedra, edges with four equivalent Sn(3)Tb4In4Sn4 cuboctahedra, edges with four equivalent Sn(2)Tb4In8 cuboctahedra, edges with eight equivalent In(1)Tb4In2Sn6 cuboctahedra, faces with two equivalent In(2)Tb4In4Sn4 cuboctahedra, faces with two equivalent Sn(1)Tb4In4Sn4 cuboctahedra, faces with two equivalent Sn(3)Tb4In4Sn4 cuboctahedra, faces with two equivalent Sn(2)Tb4In8 cuboctahedra, faces with four equivalent In(1)Tb4In2Sn6 cuboctahedra, and faces with six equivalent Tb(1)In6Sn6 cuboctahedra. There are two inequivalent In sites. In the first In site, In(1) is bonded to four equivalent Tb(1), two equivalent In(2), two equivalent Sn(1), two equivalent Sn(2), and two equivalent Sn(3) atoms to form distorted InTb4In2Sn6 cuboctahedra that share corners with twelve equivalent In(1)Tb4In2Sn6 cuboctahedra, edges with four equivalent In(2)Tb4In4Sn4 cuboctahedra, edges with four equivalent Sn(1)Tb4In4Sn4 cuboctahedra, edges with four equivalent Sn(3)Tb4In4Sn4 cuboctahedra, edges with four equivalent Sn(2)Tb4In8 cuboctahedra, edges with eight equivalent Tb(1)In6Sn6 cuboctahedra, faces with two equivalent In(2)Tb4In4Sn4 cuboctahedra, faces with two equivalent Sn(1)Tb4In4Sn4 cuboctahedra, faces with two equivalent Sn(3)Tb4In4Sn4 cuboctahedra, faces with two equivalent Sn(2)Tb4In8 cuboctahedra, faces with four equivalent Tb(1)In6Sn6 cuboctahedra, and faces with six equivalent In(1)Tb4In2Sn6 cuboctahedra. In the second In site, In(2) is bonded to four equivalent Tb(1), four equivalent In(1), and four equivalent Sn(2) atoms to form distorted InTb4In4Sn4 cuboctahedra that share corners with four equivalent In(2)Tb4In4Sn4 cuboctahedra, corners with eight equivalent Sn(1)Tb4In4Sn4 cuboctahedra, edges with eight equivalent Tb(1)In6Sn6 cuboctahedra, edges with eight equivalent In(1)Tb4In2Sn6 cuboctahedra, edges with eight equivalent Sn(3)Tb4In4Sn4 cuboctahedra, faces with two equivalent Sn(1)Tb4In4Sn4 cuboctahedra, faces with four equivalent Tb(1)In6Sn6 cuboctahedra, faces with four equivalent In(1)Tb4In2Sn6 cuboctahedra, faces with four equivalent In(2)Tb4In4Sn4 cuboctahedra, and faces with four equivalent Sn(2)Tb4In8 cuboctahedra. There are three inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to four equivalent Tb(1), four equivalent In(1), and four equivalent Sn(3) atoms to form distorted SnTb4In4Sn4 cuboctahedra that share corners with four equivalent Sn(1)Tb4In4Sn4 cuboctahedra, corners with eight equivalent In(2)Tb4In4Sn4 cuboctahedra, edges with eight equivalent Tb(1)In6Sn6 cuboctahedra, edges with eight equivalent In(1)Tb4In2Sn6 cuboctahedra, edges with eight equivalent Sn(2)Tb4In8 cuboctahedra, faces with two equivalent In(2)Tb4In4Sn4 cuboctahedra, faces with four equivalent Tb(1)In6Sn6 cuboctahedra, faces with four equivalent In(1)Tb4In2Sn6 cuboctahedra, faces with four equivalent Sn(1)Tb4In4Sn4 cuboctahedra, and faces with four equivalent Sn(3)Tb4In4Sn4 cuboctahedra. In the second Sn site, Sn(2) is bonded to four equivalent Tb(1), four equivalent In(1), and four equivalent In(2) atoms to form SnTb4In8 cuboctahedra that share corners with four equivalent Sn(2)Tb4In8 cuboctahedra, corners with eight equivalent Sn(3)Tb4In4Sn4 cuboctahedra, edges with eight equivalent Tb(1)In6Sn6 cuboctahedra, edges with eight equivalent In(1)Tb4In2Sn6 cuboctahedra, edges with eight equivalent Sn(1)Tb4In4Sn4 cuboctahedra, faces with two equivalent Sn(3)Tb4In4Sn4 cuboctahedra, faces with four equivalent Tb(1)In6Sn6 cuboctahedra, faces with four equivalent In(1)Tb4In2Sn6 cuboctahedra, faces with four equivalent In(2)Tb4In4Sn4 cuboctahedra, and faces with four equivalent Sn(2)Tb4In8 cuboctahedra. In the third Sn site, Sn(3) is bonded to four equivalent Tb(1), four equivalent In(1), and four equivalent Sn(1) atoms to form distorted SnTb4In4Sn4 cuboctahedra that share corners with four equivalent Sn(3)Tb4In4Sn4 cuboctahedra, corners with eight equivalent Sn(2)Tb4In8 cuboctahedra, edges with eight equivalent Tb(1)In6Sn6 cuboctahedra, edges with eight equivalent In(1)Tb4In2Sn6 cuboctahedra, edges with eight equivalent In(2)Tb4In4Sn4 cuboctahedra, faces with two equivalent Sn(2)Tb4In8 cuboctahedra, faces with four equivalent Tb(1)In6Sn6 cuboctahedra, faces with four equivalent In(1)Tb4In2Sn6 cuboctahedra, faces with four equivalent Sn(1)Tb4In4Sn4 cuboctahedra, and faces with four equivalent Sn(3)Tb4In4Sn4 cuboctahedra. is represented by the CIF file [CIF]
data_Tb2(InSn)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.667
_cell_length_b   4.702
_cell_length_c   9.374
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   205.677
_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
  Tb  Tb0  1  0.000  0.000  0.245  1.0
  Tb  Tb1  1  0.000  0.000  0.755  1.0
  In  In2  1  0.500  0.500  0.252  1.0
  In  In3  1  0.500  0.500  0.748  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 structure described by Tb2(InSn)3 is beta Cu3Ti-derived structured and crystallizes in the orthorhombic Pmmm space group. Tb(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 TbIn6Sn6 cuboctahedra that share corners with twelve equivalent Tb(1)In6Sn6 cuboctahedra, edges with four equivalent In(2)Tb4In4Sn4 cuboctahedra, edges with four equivalent Sn(1)Tb4In4Sn4 cuboctahedra, edges with four equivalent Sn(3)Tb4In4Sn4 cuboctahedra, edges with four equivalent Sn(2)Tb4In8 cuboctahedra, edges with eight equivalent In(1)Tb4In2Sn6 cuboctahedra, faces with two equivalent In(2)Tb4In4Sn4 cuboctahedra, faces with two equivalent Sn(1)Tb4In4Sn4 cuboctahedra, faces with two equivalent Sn(3)Tb4In4Sn4 cuboctahedra, faces with two equivalent Sn(2)Tb4In8 cuboctahedra, faces with four equivalent In(1)Tb4In2Sn6 cuboctahedra, and faces with six equivalent Tb(1)In6Sn6 cuboctahedra. There are two inequivalent In sites. In the first In site, In(1) is bonded to four equivalent Tb(1), two equivalent In(2), two equivalent Sn(1), two equivalent Sn(2), and two equivalent Sn(3) atoms to form distorted InTb4In2Sn6 cuboctahedra that share corners with twelve equivalent In(1)Tb4In2Sn6 cuboctahedra, edges with four equivalent In(2)Tb4In4Sn4 cuboctahedra, edges with four equivalent Sn(1)Tb4In4Sn4 cuboctahedra, edges with four equivalent Sn(3)Tb4In4Sn4 cuboctahedra, edges with four equivalent Sn(2)Tb4In8 cuboctahedra, edges with eight equivalent Tb(1)In6Sn6 cuboctahedra, faces with two equivalent In(2)Tb4In4Sn4 cuboctahedra, faces with two equivalent Sn(1)Tb4In4Sn4 cuboctahedra, faces with two equivalent Sn(3)Tb4In4Sn4 cuboctahedra, faces with two equivalent Sn(2)Tb4In8 cuboctahedra, faces with four equivalent Tb(1)In6Sn6 cuboctahedra, and faces with six equivalent In(1)Tb4In2Sn6 cuboctahedra. In the second In site, In(2) is bonded to four equivalent Tb(1), four equivalent In(1), and four equivalent Sn(2) atoms to form distorted InTb4In4Sn4 cuboctahedra that share corners with four equivalent In(2)Tb4In4Sn4 cuboctahedra, corners with eight equivalent Sn(1)Tb4In4Sn4 cuboctahedra, edges with eight equivalent Tb(1)In6Sn6 cuboctahedra, edges with eight equivalent In(1)Tb4In2Sn6 cuboctahedra, edges with eight equivalent Sn(3)Tb4In4Sn4 cuboctahedra, faces with two equivalent Sn(1)Tb4In4Sn4 cuboctahedra, faces with four equivalent Tb(1)In6Sn6 cuboctahedra, faces with four equivalent In(1)Tb4In2Sn6 cuboctahedra, faces with four equivalent In(2)Tb4In4Sn4 cuboctahedra, and faces with four equivalent Sn(2)Tb4In8 cuboctahedra. There are three inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to four equivalent Tb(1), four equivalent In(1), and four equivalent Sn(3) atoms to form distorted SnTb4In4Sn4 cuboctahedra that share corners with four equivalent Sn(1)Tb4In4Sn4 cuboctahedra, corners with eight equivalent In(2)Tb4In4Sn4 cuboctahedra, edges with eight equivalent Tb(1)In6Sn6 cuboctahedra, edges with eight equivalent In(1)Tb4In2Sn6 cuboctahedra, edges with eight equivalent Sn(2)Tb4In8 cuboctahedra, faces with two equivalent In(2)Tb4In4Sn4 cuboctahedra, faces with four equivalent Tb(1)In6Sn6 cuboctahedra, faces with four equivalent In(1)Tb4In2Sn6 cuboctahedra, faces with four equivalent Sn(1)Tb4In4Sn4 cuboctahedra, and faces with four equivalent Sn(3)Tb4In4Sn4 cuboctahedra. In the second Sn site, Sn(2) is bonded to four equivalent Tb(1), four equivalent In(1), and four equivalent In(2) atoms to form SnTb4In8 cuboctahedra that share corners with four equivalent Sn(2)Tb4In8 cuboctahedra, corners with eight equivalent Sn(3)Tb4In4Sn4 cuboctahedra, edges with eight equivalent Tb(1)In6Sn6 cuboctahedra, edges with eight equivalent In(1)Tb4In2Sn6 cuboctahedra, edges with eight equivalent Sn(1)Tb4In4Sn4 cuboctahedra, faces with two equivalent Sn(3)Tb4In4Sn4 cuboctahedra, faces with four equivalent Tb(1)In6Sn6 cuboctahedra, faces with four equivalent In(1)Tb4In2Sn6 cuboctahedra, faces with four equivalent In(2)Tb4In4Sn4 cuboctahedra, and faces with four equivalent Sn(2)Tb4In8 cuboctahedra. In the third Sn site, Sn(3) is bonded to four equivalent Tb(1), four equivalent In(1), and four equivalent Sn(1) atoms to form distorted SnTb4In4Sn4 cuboctahedra that share corners with four equivalent Sn(3)Tb4In4Sn4 cuboctahedra, corners with eight equivalent Sn(2)Tb4In8 cuboctahedra, edges with eight equivalent Tb(1)In6Sn6 cuboctahedra, edges with eight equivalent In(1)Tb4In2Sn6 cuboctahedra, edges with eight equivalent In(2)Tb4In4Sn4 cuboctahedra, faces with two equivalent Sn(2)Tb4In8 cuboctahedra, faces with four equivalent Tb(1)In6Sn6 cuboctahedra, faces with four equivalent In(1)Tb4In2Sn6 cuboctahedra, faces with four equivalent Sn(1)Tb4In4Sn4 cuboctahedra, and faces with four equivalent Sn(3)Tb4In4Sn4 cuboctahedra. is represented by the CIF file [CIF]
data_Tb2(InSn)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.667
_cell_length_b   4.702
_cell_length_c   9.374
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   205.677
_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
  Tb  Tb0  1  0.000  0.000  0.245  1.0
  Tb  Tb1  1  0.000  0.000  0.755  1.0
  In  In2  1  0.500  0.500  0.252  1.0
  In  In3  1  0.500  0.500  0.748  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]
.