RbAu(CN)2 crystallizes in the monoclinic C2/c space group. There are two inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 5-coordinate geometry to one N(1), one N(3), one N(4), and two equivalent N(2) atoms. In the second Rb site, Rb(2) is bonded in a 7-coordinate geometry to one N(2), two equivalent N(1), two equivalent N(3), and two equivalent N(4) atoms. There are three inequivalent Au sites. In the first Au site, Au(1) is bonded in a distorted linear geometry to two equivalent C(1) atoms. In the second Au site, Au(2) is bonded in a linear geometry to one C(2) and one C(3) atom. In the third Au site, Au(3) is bonded in a linear geometry to two equivalent C(4) atoms. There are four inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one Au(1) and one N(3) atom. In the second C site, C(2) is bonded in a single-bond geometry to one Au(2) and one N(1) atom. In the third C site, C(3) is bonded in a distorted single-bond geometry to one Au(2) and one N(4) atom. In the fourth C site, C(4) is bonded in a single-bond geometry to one Au(3) and one N(2) atom. There are four inequivalent N sites. In the first N site, N(1) is bonded in a distorted single-bond geometry to one Rb(1), two equivalent Rb(2), and one C(2) atom. In the second N site, N(2) is bonded in a distorted single-bond geometry to one Rb(2), two equivalent Rb(1), and one C(4) atom. In the third N site, N(3) is bonded in a 4-coordinate geometry to one Rb(1), two equivalent Rb(2), and one C(1) atom. In the fourth N site, N(4) is bonded in a 4-coordinate geometry to one Rb(1), two equivalent Rb(2), and one C(3) atom.
RbAu(CN)2 crystallizes in the monoclinic C2/c space group. There are two inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 5-coordinate geometry to one N(1), one N(3), one N(4), and two equivalent N(2) atoms. The Rb(1)-N(1) bond length is 3.12 Å. The Rb(1)-N(3) bond length is 3.06 Å. The Rb(1)-N(4) bond length is 3.02 Å. There is one shorter (3.06 Å) and one longer (3.21 Å) Rb(1)-N(2) bond length. In the second Rb site, Rb(2) is bonded in a 7-coordinate geometry to one N(2), two equivalent N(1), two equivalent N(3), and two equivalent N(4) atoms. The Rb(2)-N(2) bond length is 3.15 Å. There is one shorter (3.24 Å) and one longer (3.29 Å) Rb(2)-N(1) bond length. There is one shorter (3.05 Å) and one longer (3.20 Å) Rb(2)-N(3) bond length. There is one shorter (3.09 Å) and one longer (3.24 Å) Rb(2)-N(4) bond length. There are three inequivalent Au sites. In the first Au site, Au(1) is bonded in a distorted linear geometry to two equivalent C(1) atoms. Both Au(1)-C(1) bond lengths are 1.99 Å. In the second Au site, Au(2) is bonded in a linear geometry to one C(2) and one C(3) atom. The Au(2)-C(2) bond length is 1.99 Å. The Au(2)-C(3) bond length is 1.99 Å. In the third Au site, Au(3) is bonded in a linear geometry to two equivalent C(4) atoms. Both Au(3)-C(4) bond lengths are 1.99 Å. There are four inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one Au(1) and one N(3) atom. The C(1)-N(3) bond length is 1.17 Å. In the second C site, C(2) is bonded in a single-bond geometry to one Au(2) and one N(1) atom. The C(2)-N(1) bond length is 1.18 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one Au(2) and one N(4) atom. The C(3)-N(4) bond length is 1.18 Å. In the fourth C site, C(4) is bonded in a single-bond geometry to one Au(3) and one N(2) atom. The C(4)-N(2) bond length is 1.17 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a distorted single-bond geometry to one Rb(1), two equivalent Rb(2), and one C(2) atom. In the second N site, N(2) is bonded in a distorted single-bond geometry to one Rb(2), two equivalent Rb(1), and one C(4) atom. In the third N site, N(3) is bonded in a 4-coordinate geometry to one Rb(1), two equivalent Rb(2), and one C(1) atom. In the fourth N site, N(4) is bonded in a 4-coordinate geometry to one Rb(1), two equivalent Rb(2), and one C(3) atom.