CuGaTeSe is Stannite-like structured and crystallizes in the orthorhombic I2_12_12_1 space group. Cu(1) is bonded to two equivalent Te(1) and two equivalent Se(1) atoms to form CuTe2Se2 tetrahedra that share corners with four equivalent Cu(1)Te2Se2 tetrahedra and corners with eight equivalent Ga(1)Te2Se2 tetrahedra. Ga(1) is bonded to two equivalent Te(1) and two equivalent Se(1) atoms to form GaTe2Se2 tetrahedra that share corners with four equivalent Ga(1)Te2Se2 tetrahedra and corners with eight equivalent Cu(1)Te2Se2 tetrahedra. Te(1) is bonded to two equivalent Cu(1) and two equivalent Ga(1) atoms to form TeGa2Cu2 tetrahedra that share corners with four equivalent Te(1)Ga2Cu2 tetrahedra and corners with eight equivalent Se(1)Ga2Cu2 tetrahedra. Se(1) is bonded to two equivalent Cu(1) and two equivalent Ga(1) atoms to form SeGa2Cu2 tetrahedra that share corners with four equivalent Se(1)Ga2Cu2 tetrahedra and corners with eight equivalent Te(1)Ga2Cu2 tetrahedra.
CuGaTeSe is Stannite-like structured and crystallizes in the orthorhombic I2_12_12_1 space group. Cu(1) is bonded to two equivalent Te(1) and two equivalent Se(1) atoms to form CuTe2Se2 tetrahedra that share corners with four equivalent Cu(1)Te2Se2 tetrahedra and corners with eight equivalent Ga(1)Te2Se2 tetrahedra. Both Cu(1)-Te(1) bond lengths are 2.56 Å. Both Cu(1)-Se(1) bond lengths are 2.46 Å. Ga(1) is bonded to two equivalent Te(1) and two equivalent Se(1) atoms to form GaTe2Se2 tetrahedra that share corners with four equivalent Ga(1)Te2Se2 tetrahedra and corners with eight equivalent Cu(1)Te2Se2 tetrahedra. Both Ga(1)-Te(1) bond lengths are 2.65 Å. Both Ga(1)-Se(1) bond lengths are 2.51 Å. Te(1) is bonded to two equivalent Cu(1) and two equivalent Ga(1) atoms to form TeGa2Cu2 tetrahedra that share corners with four equivalent Te(1)Ga2Cu2 tetrahedra and corners with eight equivalent Se(1)Ga2Cu2 tetrahedra. Se(1) is bonded to two equivalent Cu(1) and two equivalent Ga(1) atoms to form SeGa2Cu2 tetrahedra that share corners with four equivalent Se(1)Ga2Cu2 tetrahedra and corners with eight equivalent Te(1)Ga2Cu2 tetrahedra.