Rb4N4O3 crystallizes in the triclinic P1 space group. There are four inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 5-coordinate geometry to three equivalent N(3) and two equivalent O(1) atoms. In the second Rb site, Rb(2) is bonded in a 8-coordinate geometry to one N(4), three equivalent N(1), two equivalent O(1), and two equivalent O(2) atoms. In the third Rb site, Rb(3) is bonded in a 6-coordinate geometry to one N(2), three equivalent N(3), and two equivalent O(3) atoms. In the fourth Rb site, Rb(4) is bonded in a 8-coordinate geometry to two equivalent N(2), two equivalent N(4), two equivalent O(2), and two equivalent O(3) atoms. There are four inequivalent N sites. In the first N site, N(1) is bonded in a 1-coordinate geometry to three equivalent Rb(2) and one O(1) atom. In the second N site, N(2) is bonded in a distorted single-bond geometry to one Rb(3), two equivalent Rb(4), and one O(3) atom. In the third N site, N(3) is bonded in a 6-coordinate geometry to three equivalent Rb(1) and three equivalent Rb(3) atoms. In the fourth N site, N(4) is bonded in a distorted single-bond geometry to one Rb(2), two equivalent Rb(4), and one O(2) atom. There are three inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to two equivalent Rb(1), two equivalent Rb(2), and one N(1) atom. In the second O site, O(2) is bonded in a 1-coordinate geometry to two equivalent Rb(2), two equivalent Rb(4), and one N(4) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Rb(3), two equivalent Rb(4), and one N(2) atom.
Rb4N4O3 crystallizes in the triclinic P1 space group. There are four inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 5-coordinate geometry to three equivalent N(3) and two equivalent O(1) atoms. There are a spread of Rb(1)-N(3) bond distances ranging from 3.03-3.29 Å. There is one shorter (2.97 Å) and one longer (3.01 Å) Rb(1)-O(1) bond length. In the second Rb site, Rb(2) is bonded in a 8-coordinate geometry to one N(4), three equivalent N(1), two equivalent O(1), and two equivalent O(2) atoms. The Rb(2)-N(4) bond length is 3.32 Å. There are a spread of Rb(2)-N(1) bond distances ranging from 2.85-3.22 Å. There is one shorter (2.91 Å) and one longer (3.04 Å) Rb(2)-O(1) bond length. Both Rb(2)-O(2) bond lengths are 2.95 Å. In the third Rb site, Rb(3) is bonded in a 6-coordinate geometry to one N(2), three equivalent N(3), and two equivalent O(3) atoms. The Rb(3)-N(2) bond length is 3.59 Å. There are a spread of Rb(3)-N(3) bond distances ranging from 3.02-3.43 Å. There is one shorter (2.97 Å) and one longer (3.15 Å) Rb(3)-O(3) bond length. In the fourth Rb site, Rb(4) is bonded in a 8-coordinate geometry to two equivalent N(2), two equivalent N(4), two equivalent O(2), and two equivalent O(3) atoms. There is one shorter (3.05 Å) and one longer (3.16 Å) Rb(4)-N(2) bond length. There is one shorter (2.95 Å) and one longer (3.06 Å) Rb(4)-N(4) bond length. There is one shorter (3.12 Å) and one longer (3.16 Å) Rb(4)-O(2) bond length. There is one shorter (3.04 Å) and one longer (3.16 Å) Rb(4)-O(3) bond length. There are four inequivalent N sites. In the first N site, N(1) is bonded in a 1-coordinate geometry to three equivalent Rb(2) and one O(1) atom. The N(1)-O(1) bond length is 1.27 Å. In the second N site, N(2) is bonded in a distorted single-bond geometry to one Rb(3), two equivalent Rb(4), and one O(3) atom. The N(2)-O(3) bond length is 1.26 Å. In the third N site, N(3) is bonded in a 6-coordinate geometry to three equivalent Rb(1) and three equivalent Rb(3) atoms. In the fourth N site, N(4) is bonded in a distorted single-bond geometry to one Rb(2), two equivalent Rb(4), and one O(2) atom. The N(4)-O(2) bond length is 1.27 Å. There are three inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to two equivalent Rb(1), two equivalent Rb(2), and one N(1) atom. In the second O site, O(2) is bonded in a 1-coordinate geometry to two equivalent Rb(2), two equivalent Rb(4), and one N(4) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Rb(3), two equivalent Rb(4), and one N(2) atom.