AgCd2GaS2Se2 is Clathrate-derived structured and crystallizes in the monoclinic Cm space group. Ag(1) is bonded to one Se(1), one S(2), and two equivalent S(1) atoms to form AgSeS3 tetrahedra that share corners with two equivalent Ag(1)SeS3 tetrahedra, corners with three equivalent Cd(1)Se3S tetrahedra, corners with three equivalent Cd(2)Se3S tetrahedra, and corners with four equivalent Ga(1)SeS3 tetrahedra. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one Se(2), two equivalent Se(1), and one S(2) atom to form CdSe3S tetrahedra that share corners with two equivalent Cd(1)Se3S tetrahedra, corners with three equivalent Ag(1)SeS3 tetrahedra, corners with three equivalent Ga(1)SeS3 tetrahedra, and corners with four equivalent Cd(2)Se3S tetrahedra. In the second Cd site, Cd(2) is bonded to one Se(1), two equivalent Se(2), and one S(1) atom to form CdSe3S tetrahedra that share corners with two equivalent Cd(2)Se3S tetrahedra, corners with three equivalent Ag(1)SeS3 tetrahedra, corners with three equivalent Ga(1)SeS3 tetrahedra, and corners with four equivalent Cd(1)Se3S tetrahedra. Ga(1) is bonded to one Se(2), one S(1), and two equivalent S(2) atoms to form GaSeS3 tetrahedra that share corners with two equivalent Ga(1)SeS3 tetrahedra, corners with three equivalent Cd(1)Se3S tetrahedra, corners with three equivalent Cd(2)Se3S tetrahedra, and corners with four equivalent Ag(1)SeS3 tetrahedra. There are two inequivalent Se sites. In the first Se site, Se(1) is bonded to one Ag(1), one Cd(2), and two equivalent Cd(1) atoms to form SeCd3Ag tetrahedra that share corners with two equivalent Se(1)Cd3Ag tetrahedra, corners with three equivalent S(2)CdGa2Ag tetrahedra, corners with three equivalent S(1)CdGaAg2 tetrahedra, and corners with four equivalent Se(2)Cd3Ga tetrahedra. In the second Se site, Se(2) is bonded to one Cd(1), two equivalent Cd(2), and one Ga(1) atom to form SeCd3Ga tetrahedra that share corners with two equivalent Se(2)Cd3Ga tetrahedra, corners with three equivalent S(2)CdGa2Ag tetrahedra, corners with three equivalent S(1)CdGaAg2 tetrahedra, and corners with four equivalent Se(1)Cd3Ag tetrahedra. There are two inequivalent S sites. In the first S site, S(1) is bonded to two equivalent Ag(1), one Cd(2), and one Ga(1) atom to form SCdGaAg2 tetrahedra that share corners with two equivalent S(1)CdGaAg2 tetrahedra, corners with three equivalent Se(1)Cd3Ag tetrahedra, corners with three equivalent Se(2)Cd3Ga tetrahedra, and corners with four equivalent S(2)CdGa2Ag tetrahedra. In the second S site, S(2) is bonded to one Ag(1), one Cd(1), and two equivalent Ga(1) atoms to form SCdGa2Ag tetrahedra that share corners with two equivalent S(2)CdGa2Ag tetrahedra, corners with three equivalent Se(1)Cd3Ag tetrahedra, corners with three equivalent Se(2)Cd3Ga tetrahedra, and corners with four equivalent S(1)CdGaAg2 tetrahedra.
AgCd2GaS2Se2 is Clathrate-derived structured and crystallizes in the monoclinic Cm space group. Ag(1) is bonded to one Se(1), one S(2), and two equivalent S(1) atoms to form AgSeS3 tetrahedra that share corners with two equivalent Ag(1)SeS3 tetrahedra, corners with three equivalent Cd(1)Se3S tetrahedra, corners with three equivalent Cd(2)Se3S tetrahedra, and corners with four equivalent Ga(1)SeS3 tetrahedra. The Ag(1)-Se(1) bond length is 2.64 Å. The Ag(1)-S(2) bond length is 2.68 Å. Both Ag(1)-S(1) bond lengths are 2.58 Å. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one Se(2), two equivalent Se(1), and one S(2) atom to form CdSe3S tetrahedra that share corners with two equivalent Cd(1)Se3S tetrahedra, corners with three equivalent Ag(1)SeS3 tetrahedra, corners with three equivalent Ga(1)SeS3 tetrahedra, and corners with four equivalent Cd(2)Se3S tetrahedra. The Cd(1)-Se(2) bond length is 2.72 Å. Both Cd(1)-Se(1) bond lengths are 2.59 Å. The Cd(1)-S(2) bond length is 2.63 Å. In the second Cd site, Cd(2) is bonded to one Se(1), two equivalent Se(2), and one S(1) atom to form CdSe3S tetrahedra that share corners with two equivalent Cd(2)Se3S tetrahedra, corners with three equivalent Ag(1)SeS3 tetrahedra, corners with three equivalent Ga(1)SeS3 tetrahedra, and corners with four equivalent Cd(1)Se3S tetrahedra. The Cd(2)-Se(1) bond length is 2.59 Å. Both Cd(2)-Se(2) bond lengths are 2.69 Å. The Cd(2)-S(1) bond length is 2.54 Å. Ga(1) is bonded to one Se(2), one S(1), and two equivalent S(2) atoms to form GaSeS3 tetrahedra that share corners with two equivalent Ga(1)SeS3 tetrahedra, corners with three equivalent Cd(1)Se3S tetrahedra, corners with three equivalent Cd(2)Se3S tetrahedra, and corners with four equivalent Ag(1)SeS3 tetrahedra. The Ga(1)-Se(2) bond length is 2.50 Å. The Ga(1)-S(1) bond length is 2.29 Å. Both Ga(1)-S(2) bond lengths are 2.47 Å. There are two inequivalent Se sites. In the first Se site, Se(1) is bonded to one Ag(1), one Cd(2), and two equivalent Cd(1) atoms to form SeCd3Ag tetrahedra that share corners with two equivalent Se(1)Cd3Ag tetrahedra, corners with three equivalent S(2)CdGa2Ag tetrahedra, corners with three equivalent S(1)CdGaAg2 tetrahedra, and corners with four equivalent Se(2)Cd3Ga tetrahedra. In the second Se site, Se(2) is bonded to one Cd(1), two equivalent Cd(2), and one Ga(1) atom to form SeCd3Ga tetrahedra that share corners with two equivalent Se(2)Cd3Ga tetrahedra, corners with three equivalent S(2)CdGa2Ag tetrahedra, corners with three equivalent S(1)CdGaAg2 tetrahedra, and corners with four equivalent Se(1)Cd3Ag tetrahedra. There are two inequivalent S sites. In the first S site, S(1) is bonded to two equivalent Ag(1), one Cd(2), and one Ga(1) atom to form SCdGaAg2 tetrahedra that share corners with two equivalent S(1)CdGaAg2 tetrahedra, corners with three equivalent Se(1)Cd3Ag tetrahedra, corners with three equivalent Se(2)Cd3Ga tetrahedra, and corners with four equivalent S(2)CdGa2Ag tetrahedra. In the second S site, S(2) is bonded to one Ag(1), one Cd(1), and two equivalent Ga(1) atoms to form SCdGa2Ag tetrahedra that share corners with two equivalent S(2)CdGa2Ag tetrahedra, corners with three equivalent Se(1)Cd3Ag tetrahedra, corners with three equivalent Se(2)Cd3Ga tetrahedra, and corners with four equivalent S(1)CdGaAg2 tetrahedra.