Eu(GaTe2)2 crystallizes in the orthorhombic Cccm space group. Eu(1) is bonded in a 8-coordinate geometry to four equivalent Te(1) and four equivalent Te(2) atoms. Ga(1) is bonded to two equivalent Te(1) and two equivalent Te(2) atoms to form edge-sharing GaTe4 tetrahedra. There are two inequivalent Te sites. In the first Te site, Te(2) is bonded to two equivalent Eu(1) and two equivalent Ga(1) atoms to form a mixture of distorted corner and edge-sharing TeEu2Ga2 trigonal pyramids. In the second Te site, Te(1) is bonded to two equivalent Eu(1) and two equivalent Ga(1) atoms to form a mixture of corner and edge-sharing TeEu2Ga2 trigonal pyramids.
Eu(GaTe2)2 crystallizes in the orthorhombic Cccm space group. Eu(1) is bonded in a 8-coordinate geometry to four equivalent Te(1) and four equivalent Te(2) atoms. All Eu(1)-Te(1) bond lengths are 3.44 Å. All Eu(1)-Te(2) bond lengths are 3.48 Å. Ga(1) is bonded to two equivalent Te(1) and two equivalent Te(2) atoms to form edge-sharing GaTe4 tetrahedra. There is one shorter (2.63 Å) and one longer (2.66 Å) Ga(1)-Te(1) bond length. Both Ga(1)-Te(2) bond lengths are 2.65 Å. There are two inequivalent Te sites. In the first Te site, Te(2) is bonded to two equivalent Eu(1) and two equivalent Ga(1) atoms to form a mixture of distorted corner and edge-sharing TeEu2Ga2 trigonal pyramids. In the second Te site, Te(1) is bonded to two equivalent Eu(1) and two equivalent Ga(1) atoms to form a mixture of corner and edge-sharing TeEu2Ga2 trigonal pyramids.