K5Au5C8I2(N4O)2(CN)2 crystallizes in the triclinic P-1 space group. The structure consists of two methylamine molecules inside a K5Au5C8I2(N4O)2 framework. In the K5Au5C8I2(N4O)2 framework, there are three inequivalent K sites. In the first K site, K(1) is bonded in a linear geometry to two equivalent N(5) atoms. In the second K site, K(2) is bonded in a 2-coordinate geometry to one N(2), one N(3), and one O(1) atom. In the third K site, K(3) is bonded in a 1-coordinate geometry to one O(1) atom. There are four inequivalent Au sites. In the first Au site, Au(1) is bonded in a distorted linear geometry to two equivalent Au(4) atoms. In the second Au site, Au(2) is bonded in a 4-coordinate geometry to two equivalent C(2) and two equivalent I(1) atoms. In the third Au site, Au(3) is bonded in a linear geometry to two equivalent I(1) atoms. In the fourth Au site, Au(4) is bonded in a distorted see-saw-like geometry to one Au(1), one C(4), one C(5), and one I(1) atom. There are four inequivalent C sites. In the first C site, C(2) is bonded in a single-bond geometry to one Au(2) and one N(2) atom. In the second C site, C(3) is bonded in a 2-coordinate geometry to one N(3) and one O(1) atom. In the third C site, C(4) is bonded in a single-bond geometry to one Au(4) and one N(4) atom. In the fourth C site, C(5) is bonded in a single-bond geometry to one Au(4) and one N(5) atom. There are four inequivalent N sites. In the first N site, N(2) is bonded in a distorted bent 120 degrees geometry to one K(2) and one C(2) atom. In the second N site, N(3) is bonded in a 3-coordinate geometry to one K(2), one C(3), and one O(1) atom. In the third N site, N(4) is bonded in a distorted L-shaped geometry to one C(4) and one O(1) atom. In the fourth N site, N(5) is bonded in a bent 120 degrees geometry to one K(1) and one C(5) atom. O(1) is bonded in a 5-coordinate geometry to one K(2), one K(3), one C(3), one N(3), and one N(4) atom. I(1) is bonded in a distorted T-shaped geometry to one Au(2), one Au(3), and one Au(4) atom.
K5Au5C8I2(N4O)2(CN)2 crystallizes in the triclinic P-1 space group. The structure consists of two methylamine molecules inside a K5Au5C8I2(N4O)2 framework. In the K5Au5C8I2(N4O)2 framework, there are three inequivalent K sites. In the first K site, K(1) is bonded in a linear geometry to two equivalent N(5) atoms. Both K(1)-N(5) bond lengths are 2.47 Å. In the second K site, K(2) is bonded in a 2-coordinate geometry to one N(2), one N(3), and one O(1) atom. The K(2)-N(2) bond length is 2.55 Å. The K(2)-N(3) bond length is 2.19 Å. The K(2)-O(1) bond length is 2.68 Å. In the third K site, K(3) is bonded in a 1-coordinate geometry to one O(1) atom. The K(3)-O(1) bond length is 2.42 Å. There are four inequivalent Au sites. In the first Au site, Au(1) is bonded in a distorted linear geometry to two equivalent Au(4) atoms. Both Au(1)-Au(4) bond lengths are 2.61 Å. In the second Au site, Au(2) is bonded in a 4-coordinate geometry to two equivalent C(2) and two equivalent I(1) atoms. Both Au(2)-C(2) bond lengths are 2.64 Å. Both Au(2)-I(1) bond lengths are 2.67 Å. In the third Au site, Au(3) is bonded in a linear geometry to two equivalent I(1) atoms. Both Au(3)-I(1) bond lengths are 2.59 Å. In the fourth Au site, Au(4) is bonded in a distorted see-saw-like geometry to one Au(1), one C(4), one C(5), and one I(1) atom. The Au(4)-C(4) bond length is 2.58 Å. The Au(4)-C(5) bond length is 2.57 Å. The Au(4)-I(1) bond length is 2.86 Å. There are four inequivalent C sites. In the first C site, C(2) is bonded in a single-bond geometry to one Au(2) and one N(2) atom. The C(2)-N(2) bond length is 1.56 Å. In the second C site, C(3) is bonded in a 2-coordinate geometry to one N(3) and one O(1) atom. The C(3)-N(3) bond length is 1.45 Å. The C(3)-O(1) bond length is 1.91 Å. In the third C site, C(4) is bonded in a single-bond geometry to one Au(4) and one N(4) atom. The C(4)-N(4) bond length is 1.53 Å. In the fourth C site, C(5) is bonded in a single-bond geometry to one Au(4) and one N(5) atom. The C(5)-N(5) bond length is 1.50 Å. There are four inequivalent N sites. In the first N site, N(2) is bonded in a distorted bent 120 degrees geometry to one K(2) and one C(2) atom. In the second N site, N(3) is bonded in a 3-coordinate geometry to one K(2), one C(3), and one O(1) atom. The N(3)-O(1) bond length is 1.86 Å. In the third N site, N(4) is bonded in a distorted L-shaped geometry to one C(4) and one O(1) atom. The N(4)-O(1) bond length is 1.88 Å. In the fourth N site, N(5) is bonded in a bent 120 degrees geometry to one K(1) and one C(5) atom. O(1) is bonded in a 5-coordinate geometry to one K(2), one K(3), one C(3), one N(3), and one N(4) atom. I(1) is bonded in a distorted T-shaped geometry to one Au(2), one Au(3), and one Au(4) atom.