RbBa2N15 crystallizes in the monoclinic P2/c space group. Rb(1) is bonded in a 12-coordinate geometry to two equivalent N(1), two equivalent N(4), two equivalent N(7), two equivalent N(8), and four equivalent N(2) atoms. Ba(1) is bonded in a 10-coordinate geometry to one N(5), one N(6), two equivalent N(1), two equivalent N(4), two equivalent N(7), and two equivalent N(8) atoms. There are ten inequivalent N sites. In the first N site, N(1) is bonded in a 4-coordinate geometry to one Rb(1), two equivalent Ba(1), and one N(2) atom. In the second N site, N(2) is bonded in a distorted linear geometry to two equivalent Rb(1), one N(1), and one N(8) atom. In the third N site, N(3) is bonded in a linear geometry to one N(5) and one N(6) atom. In the fourth N site, N(4) is bonded to one Rb(1), two equivalent Ba(1), and one N(10) atom to form a mixture of edge and corner-sharing NRbBa2N tetrahedra. In the fifth N site, N(5) is bonded in a trigonal planar geometry to two equivalent Ba(1) and one N(3) atom. In the sixth N site, N(6) is bonded in a trigonal planar geometry to two equivalent Ba(1) and one N(3) atom. In the seventh N site, N(7) is bonded to one Rb(1), two equivalent Ba(1), and one N(9) atom to form a mixture of distorted edge and corner-sharing NRbBa2N tetrahedra. In the eighth N site, N(8) is bonded in a 4-coordinate geometry to one Rb(1), two equivalent Ba(1), and one N(2) atom. In the ninth N site, N(9) is bonded in a linear geometry to two equivalent N(7) atoms. In the tenth N site, N(10) is bonded in a linear geometry to two equivalent N(4) atoms.
RbBa2N15 crystallizes in the monoclinic P2/c space group. Rb(1) is bonded in a 12-coordinate geometry to two equivalent N(1), two equivalent N(4), two equivalent N(7), two equivalent N(8), and four equivalent N(2) atoms. Both Rb(1)-N(1) bond lengths are 3.08 Å. Both Rb(1)-N(4) bond lengths are 3.17 Å. Both Rb(1)-N(7) bond lengths are 3.15 Å. Both Rb(1)-N(8) bond lengths are 3.29 Å. There are two shorter (3.21 Å) and two longer (3.36 Å) Rb(1)-N(2) bond lengths. Ba(1) is bonded in a 10-coordinate geometry to one N(5), one N(6), two equivalent N(1), two equivalent N(4), two equivalent N(7), and two equivalent N(8) atoms. The Ba(1)-N(5) bond length is 2.92 Å. The Ba(1)-N(6) bond length is 2.88 Å. There is one shorter (3.07 Å) and one longer (3.31 Å) Ba(1)-N(1) bond length. There is one shorter (2.92 Å) and one longer (2.94 Å) Ba(1)-N(4) bond length. There is one shorter (3.09 Å) and one longer (3.16 Å) Ba(1)-N(7) bond length. There is one shorter (2.90 Å) and one longer (2.91 Å) Ba(1)-N(8) bond length. There are ten inequivalent N sites. In the first N site, N(1) is bonded in a 4-coordinate geometry to one Rb(1), two equivalent Ba(1), and one N(2) atom. The N(1)-N(2) bond length is 1.18 Å. In the second N site, N(2) is bonded in a distorted linear geometry to two equivalent Rb(1), one N(1), and one N(8) atom. The N(2)-N(8) bond length is 1.19 Å. In the third N site, N(3) is bonded in a linear geometry to one N(5) and one N(6) atom. The N(3)-N(5) bond length is 1.19 Å. The N(3)-N(6) bond length is 1.18 Å. In the fourth N site, N(4) is bonded to one Rb(1), two equivalent Ba(1), and one N(10) atom to form a mixture of edge and corner-sharing NRbBa2N tetrahedra. The N(4)-N(10) bond length is 1.18 Å. In the fifth N site, N(5) is bonded in a trigonal planar geometry to two equivalent Ba(1) and one N(3) atom. In the sixth N site, N(6) is bonded in a trigonal planar geometry to two equivalent Ba(1) and one N(3) atom. In the seventh N site, N(7) is bonded to one Rb(1), two equivalent Ba(1), and one N(9) atom to form a mixture of distorted edge and corner-sharing NRbBa2N tetrahedra. The N(7)-N(9) bond length is 1.19 Å. In the eighth N site, N(8) is bonded in a 4-coordinate geometry to one Rb(1), two equivalent Ba(1), and one N(2) atom. In the ninth N site, N(9) is bonded in a linear geometry to two equivalent N(7) atoms. In the tenth N site, N(10) is bonded in a linear geometry to two equivalent N(4) atoms.