CsMnInTe3 crystallizes in the monoclinic C2/c space group. There are two inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a 6-coordinate geometry to one Te(1), one Te(2), one Te(3), one Te(4), one Te(5), and one Te(6) atom. In the second Cs site, Cs(2) is bonded in a 6-coordinate geometry to one Te(1), one Te(2), one Te(3), one Te(4), one Te(5), and one Te(6) atom. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent Te(4) and two equivalent Te(5) atoms to form MnTe4 tetrahedra that share corners with two equivalent In(1)Te4 tetrahedra, corners with two equivalent In(2)Te4 tetrahedra, and corners with four equivalent Mn(2)Te4 tetrahedra. In the second Mn site, Mn(2) is bonded to one Te(3), one Te(4), one Te(5), and one Te(6) atom to form MnTe4 tetrahedra that share corners with two equivalent Mn(1)Te4 tetrahedra, corners with two equivalent Mn(3)Te4 tetrahedra, corners with two equivalent In(1)Te4 tetrahedra, and corners with two equivalent In(2)Te4 tetrahedra. In the third Mn site, Mn(3) is bonded to two equivalent Te(3) and two equivalent Te(6) atoms to form MnTe4 tetrahedra that share corners with two equivalent In(1)Te4 tetrahedra, corners with two equivalent In(2)Te4 tetrahedra, and corners with four equivalent Mn(2)Te4 tetrahedra. There are two inequivalent In sites. In the first In site, In(1) is bonded to one Te(1), one Te(2), one Te(4), and one Te(6) atom to form InTe4 tetrahedra that share  a cornercorner with one Mn(1)Te4 tetrahedra,  a cornercorner with one Mn(3)Te4 tetrahedra, corners with two equivalent Mn(2)Te4 tetrahedra, and corners with two equivalent In(2)Te4 tetrahedra. In the second In site, In(2) is bonded to one Te(1), one Te(2), one Te(3), and one Te(5) atom to form InTe4 tetrahedra that share  a cornercorner with one Mn(1)Te4 tetrahedra,  a cornercorner with one Mn(3)Te4 tetrahedra, corners with two equivalent Mn(2)Te4 tetrahedra, and corners with two equivalent In(1)Te4 tetrahedra. There are six inequivalent Te sites. In the first Te site, Te(5) is bonded in a 5-coordinate geometry to one Cs(1), one Cs(2), one Mn(1), one Mn(2), and one In(2) atom. In the second Te site, Te(6) is bonded in a 5-coordinate geometry to one Cs(1), one Cs(2), one Mn(2), one Mn(3), and one In(1) atom. In the third Te site, Te(1) is bonded in a 4-coordinate geometry to one Cs(1), one Cs(2), one In(1), and one In(2) atom. In the fourth Te site, Te(2) is bonded in a 4-coordinate geometry to one Cs(1), one Cs(2), one In(1), and one In(2) atom. In the fifth Te site, Te(3) is bonded in a 5-coordinate geometry to one Cs(1), one Cs(2), one Mn(2), one Mn(3), and one In(2) atom. In the sixth Te site, Te(4) is bonded in a 5-coordinate geometry to one Cs(1), one Cs(2), one Mn(1), one Mn(2), and one In(1) atom.
CsMnInTe3 crystallizes in the monoclinic C2/c space group. There are two inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a 6-coordinate geometry to one Te(1), one Te(2), one Te(3), one Te(4), one Te(5), and one Te(6) atom. The Cs(1)-Te(1) bond length is 3.91 Å. The Cs(1)-Te(2) bond length is 3.91 Å. The Cs(1)-Te(3) bond length is 3.95 Å. The Cs(1)-Te(4) bond length is 3.95 Å. The Cs(1)-Te(5) bond length is 3.96 Å. The Cs(1)-Te(6) bond length is 3.96 Å. In the second Cs site, Cs(2) is bonded in a 6-coordinate geometry to one Te(1), one Te(2), one Te(3), one Te(4), one Te(5), and one Te(6) atom. The Cs(2)-Te(1) bond length is 3.92 Å. The Cs(2)-Te(2) bond length is 3.91 Å. The Cs(2)-Te(3) bond length is 3.95 Å. The Cs(2)-Te(4) bond length is 3.96 Å. The Cs(2)-Te(5) bond length is 3.95 Å. The Cs(2)-Te(6) bond length is 3.96 Å. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent Te(4) and two equivalent Te(5) atoms to form MnTe4 tetrahedra that share corners with two equivalent In(1)Te4 tetrahedra, corners with two equivalent In(2)Te4 tetrahedra, and corners with four equivalent Mn(2)Te4 tetrahedra. Both Mn(1)-Te(4) bond lengths are 2.74 Å. Both Mn(1)-Te(5) bond lengths are 2.73 Å. In the second Mn site, Mn(2) is bonded to one Te(3), one Te(4), one Te(5), and one Te(6) atom to form MnTe4 tetrahedra that share corners with two equivalent Mn(1)Te4 tetrahedra, corners with two equivalent Mn(3)Te4 tetrahedra, corners with two equivalent In(1)Te4 tetrahedra, and corners with two equivalent In(2)Te4 tetrahedra. The Mn(2)-Te(3) bond length is 2.73 Å. The Mn(2)-Te(4) bond length is 2.75 Å. The Mn(2)-Te(5) bond length is 2.73 Å. The Mn(2)-Te(6) bond length is 2.74 Å. In the third Mn site, Mn(3) is bonded to two equivalent Te(3) and two equivalent Te(6) atoms to form MnTe4 tetrahedra that share corners with two equivalent In(1)Te4 tetrahedra, corners with two equivalent In(2)Te4 tetrahedra, and corners with four equivalent Mn(2)Te4 tetrahedra. Both Mn(3)-Te(3) bond lengths are 2.73 Å. Both Mn(3)-Te(6) bond lengths are 2.74 Å. There are two inequivalent In sites. In the first In site, In(1) is bonded to one Te(1), one Te(2), one Te(4), and one Te(6) atom to form InTe4 tetrahedra that share  a cornercorner with one Mn(1)Te4 tetrahedra,  a cornercorner with one Mn(3)Te4 tetrahedra, corners with two equivalent Mn(2)Te4 tetrahedra, and corners with two equivalent In(2)Te4 tetrahedra. The In(1)-Te(1) bond length is 2.81 Å. The In(1)-Te(2) bond length is 2.81 Å. The In(1)-Te(4) bond length is 2.80 Å. The In(1)-Te(6) bond length is 2.80 Å. In the second In site, In(2) is bonded to one Te(1), one Te(2), one Te(3), and one Te(5) atom to form InTe4 tetrahedra that share  a cornercorner with one Mn(1)Te4 tetrahedra,  a cornercorner with one Mn(3)Te4 tetrahedra, corners with two equivalent Mn(2)Te4 tetrahedra, and corners with two equivalent In(1)Te4 tetrahedra. The In(2)-Te(1) bond length is 2.82 Å. The In(2)-Te(2) bond length is 2.82 Å. The In(2)-Te(3) bond length is 2.80 Å. The In(2)-Te(5) bond length is 2.80 Å. There are six inequivalent Te sites. In the first Te site, Te(5) is bonded in a 5-coordinate geometry to one Cs(1), one Cs(2), one Mn(1), one Mn(2), and one In(2) atom. In the second Te site, Te(6) is bonded in a 5-coordinate geometry to one Cs(1), one Cs(2), one Mn(2), one Mn(3), and one In(1) atom. In the third Te site, Te(1) is bonded in a 4-coordinate geometry to one Cs(1), one Cs(2), one In(1), and one In(2) atom. In the fourth Te site, Te(2) is bonded in a 4-coordinate geometry to one Cs(1), one Cs(2), one In(1), and one In(2) atom. In the fifth Te site, Te(3) is bonded in a 5-coordinate geometry to one Cs(1), one Cs(2), one Mn(2), one Mn(3), and one In(2) atom. In the sixth Te site, Te(4) is bonded in a 5-coordinate geometry to one Cs(1), one Cs(2), one Mn(1), one Mn(2), and one In(1) atom.