MnTe crystallizes in the monoclinic P2_1/m space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 7-coordinate geometry to one Mn(2), three equivalent Te(1), and three equivalent Te(2) atoms. In the second Mn site, Mn(2) is bonded to one Mn(1), one Te(1), and three equivalent Te(2) atoms to form distorted MnMnTe4 tetrahedra that share corners with two equivalent Mn(2)MnTe4 tetrahedra, corners with three equivalent Te(1)Mn4 trigonal pyramids, and edges with two equivalent Mn(2)MnTe4 tetrahedra. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded to one Mn(2) and three equivalent Mn(1) atoms to form distorted TeMn4 trigonal pyramids that share corners with three equivalent Mn(2)MnTe4 tetrahedra, corners with two equivalent Te(1)Mn4 trigonal pyramids, and edges with two equivalent Te(1)Mn4 trigonal pyramids. In the second Te site, Te(2) is bonded in a 6-coordinate geometry to three equivalent Mn(1) and three equivalent Mn(2) atoms.
MnTe crystallizes in the monoclinic P2_1/m space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 7-coordinate geometry to one Mn(2), three equivalent Te(1), and three equivalent Te(2) atoms. The Mn(1)-Mn(2) bond length is 2.79 Å. There are two shorter (2.76 Å) and one longer (2.78 Å) Mn(1)-Te(1) bond length. There is one shorter (2.86 Å) and two longer (3.14 Å) Mn(1)-Te(2) bond lengths. In the second Mn site, Mn(2) is bonded to one Mn(1), one Te(1), and three equivalent Te(2) atoms to form distorted MnMnTe4 tetrahedra that share corners with two equivalent Mn(2)MnTe4 tetrahedra, corners with three equivalent Te(1)Mn4 trigonal pyramids, and edges with two equivalent Mn(2)MnTe4 tetrahedra. The Mn(2)-Te(1) bond length is 2.62 Å. There are two shorter (2.68 Å) and one longer (2.71 Å) Mn(2)-Te(2) bond length. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded to one Mn(2) and three equivalent Mn(1) atoms to form distorted TeMn4 trigonal pyramids that share corners with three equivalent Mn(2)MnTe4 tetrahedra, corners with two equivalent Te(1)Mn4 trigonal pyramids, and edges with two equivalent Te(1)Mn4 trigonal pyramids. In the second Te site, Te(2) is bonded in a 6-coordinate geometry to three equivalent Mn(1) and three equivalent Mn(2) atoms.