Zn3Ga3N5 crystallizes in the triclinic P-1 space group. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a trigonal planar geometry to one N(2), one N(3), and one N(4) atom. In the second Zn site, Zn(2) is bonded in a 3-coordinate geometry to one N(1), one N(3), and one N(5) atom. In the third Zn site, Zn(3) is bonded in a trigonal planar geometry to one N(1), one N(2), and one N(5) atom. There are three inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to one N(1), one N(5), and two equivalent N(3) atoms to form a mixture of corner and edge-sharing GaN4 trigonal pyramids. In the second Ga site, Ga(2) is bonded to one N(1), one N(2), and two equivalent N(4) atoms to form a mixture of distorted corner and edge-sharing GaN4 tetrahedra. In the third Ga site, Ga(3) is bonded to one N(1), one N(2), one N(4), and one N(5) atom to form a mixture of corner and edge-sharing GaN4 tetrahedra. There are five inequivalent N sites. In the first N site, N(1) is bonded to one Zn(2), one Zn(3), one Ga(1), one Ga(2), and one Ga(3) atom to form a mixture of corner and edge-sharing NZn2Ga3 trigonal bipyramids. In the second N site, N(2) is bonded to one Zn(1), one Zn(3), one Ga(2), and one Ga(3) atom to form NZn2Ga2 tetrahedra that share  a cornercorner with one N(1)Zn2Ga3 trigonal bipyramid,  a cornercorner with one N(3)Zn2Ga2 trigonal pyramid, corners with two equivalent N(5)Zn2Ga2 trigonal pyramids, and  an edgeedge with one N(1)Zn2Ga3 trigonal bipyramid. In the third N site, N(3) is bonded to one Zn(1), one Zn(2), and two equivalent Ga(1) atoms to form distorted NZn2Ga2 trigonal pyramids that share  a cornercorner with one N(2)Zn2Ga2 tetrahedra,  a cornercorner with one N(1)Zn2Ga3 trigonal bipyramid, corners with three equivalent N(5)Zn2Ga2 trigonal pyramids,  an edgeedge with one N(1)Zn2Ga3 trigonal bipyramid, and  an edgeedge with one N(3)Zn2Ga2 trigonal pyramid. In the fourth N site, N(4) is bonded in a see-saw-like geometry to one Zn(1), one Ga(3), and two equivalent Ga(2) atoms. In the fifth N site, N(5) is bonded to one Zn(2), one Zn(3), one Ga(1), and one Ga(3) atom to form NZn2Ga2 trigonal pyramids that share corners with two equivalent N(2)Zn2Ga2 tetrahedra, corners with four equivalent N(1)Zn2Ga3 trigonal bipyramids, and corners with three equivalent N(3)Zn2Ga2 trigonal pyramids.
Zn3Ga3N5 crystallizes in the triclinic P-1 space group. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a trigonal planar geometry to one N(2), one N(3), and one N(4) atom. The Zn(1)-N(2) bond length is 1.99 Å. The Zn(1)-N(3) bond length is 1.96 Å. The Zn(1)-N(4) bond length is 2.06 Å. In the second Zn site, Zn(2) is bonded in a 3-coordinate geometry to one N(1), one N(3), and one N(5) atom. The Zn(2)-N(1) bond length is 2.16 Å. The Zn(2)-N(3) bond length is 1.95 Å. The Zn(2)-N(5) bond length is 1.91 Å. In the third Zn site, Zn(3) is bonded in a trigonal planar geometry to one N(1), one N(2), and one N(5) atom. The Zn(3)-N(1) bond length is 2.10 Å. The Zn(3)-N(2) bond length is 1.96 Å. The Zn(3)-N(5) bond length is 2.11 Å. There are three inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to one N(1), one N(5), and two equivalent N(3) atoms to form a mixture of corner and edge-sharing GaN4 trigonal pyramids. The Ga(1)-N(1) bond length is 2.04 Å. The Ga(1)-N(5) bond length is 1.91 Å. There is one shorter (1.96 Å) and one longer (2.04 Å) Ga(1)-N(3) bond length. In the second Ga site, Ga(2) is bonded to one N(1), one N(2), and two equivalent N(4) atoms to form a mixture of distorted corner and edge-sharing GaN4 tetrahedra. The Ga(2)-N(1) bond length is 2.07 Å. The Ga(2)-N(2) bond length is 1.94 Å. There is one shorter (1.96 Å) and one longer (1.97 Å) Ga(2)-N(4) bond length. In the third Ga site, Ga(3) is bonded to one N(1), one N(2), one N(4), and one N(5) atom to form a mixture of corner and edge-sharing GaN4 tetrahedra. The Ga(3)-N(1) bond length is 2.07 Å. The Ga(3)-N(2) bond length is 2.01 Å. The Ga(3)-N(4) bond length is 1.92 Å. The Ga(3)-N(5) bond length is 1.92 Å. There are five inequivalent N sites. In the first N site, N(1) is bonded to one Zn(2), one Zn(3), one Ga(1), one Ga(2), and one Ga(3) atom to form a mixture of corner and edge-sharing NZn2Ga3 trigonal bipyramids. In the second N site, N(2) is bonded to one Zn(1), one Zn(3), one Ga(2), and one Ga(3) atom to form NZn2Ga2 tetrahedra that share  a cornercorner with one N(1)Zn2Ga3 trigonal bipyramid,  a cornercorner with one N(3)Zn2Ga2 trigonal pyramid, corners with two equivalent N(5)Zn2Ga2 trigonal pyramids, and  an edgeedge with one N(1)Zn2Ga3 trigonal bipyramid. In the third N site, N(3) is bonded to one Zn(1), one Zn(2), and two equivalent Ga(1) atoms to form distorted NZn2Ga2 trigonal pyramids that share  a cornercorner with one N(2)Zn2Ga2 tetrahedra,  a cornercorner with one N(1)Zn2Ga3 trigonal bipyramid, corners with three equivalent N(5)Zn2Ga2 trigonal pyramids,  an edgeedge with one N(1)Zn2Ga3 trigonal bipyramid, and  an edgeedge with one N(3)Zn2Ga2 trigonal pyramid. In the fourth N site, N(4) is bonded in a see-saw-like geometry to one Zn(1), one Ga(3), and two equivalent Ga(2) atoms. In the fifth N site, N(5) is bonded to one Zn(2), one Zn(3), one Ga(1), and one Ga(3) atom to form NZn2Ga2 trigonal pyramids that share corners with two equivalent N(2)Zn2Ga2 tetrahedra, corners with four equivalent N(1)Zn2Ga3 trigonal bipyramids, and corners with three equivalent N(3)Zn2Ga2 trigonal pyramids.