Cs7CaAu5O2 crystallizes in the monoclinic Cm space group. There are four inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a distorted single-bond geometry to one Au(5), two equivalent Au(4), and one O(1) atom. In the second Cs site, Cs(2) is bonded in a 2-coordinate geometry to one Au(1), one Au(2), one Au(4), one Au(5), and two equivalent O(1) atoms. In the third Cs site, Cs(3) is bonded in a distorted single-bond geometry to one Au(2), one Au(4), two equivalent Au(5), and one O(1) atom. In the fourth Cs site, Cs(4) is bonded in a 5-coordinate geometry to one Au(2), two equivalent Au(1), two equivalent Au(4), and two equivalent O(1) atoms. Ca(1) is bonded in a distorted square co-planar geometry to one Au(1), one Au(3), and two equivalent Au(2) atoms. There are five inequivalent Au sites. In the first Au site, Au(1) is bonded in a 5-coordinate geometry to two equivalent Cs(2), two equivalent Cs(4), and one Ca(1) atom. In the second Au site, Au(2) is bonded to one Cs(4), two equivalent Cs(2), two equivalent Cs(3), and two equivalent Ca(1) atoms to form distorted corner-sharing AuCs5Ca2 pentagonal bipyramids. In the third Au site, Au(3) is bonded in a distorted T-shaped geometry to one Ca(1) and two equivalent O(1) atoms. In the fourth Au site, Au(4) is bonded in a 10-coordinate geometry to two equivalent Cs(2), two equivalent Cs(3), two equivalent Cs(4), and four equivalent Cs(1) atoms. In the fifth Au site, Au(5) is bonded in a body-centered cubic geometry to two equivalent Cs(1), two equivalent Cs(2), and four equivalent Cs(3) atoms. O(1) is bonded in a 6-coordinate geometry to one Cs(1), one Cs(3), one Cs(4), two equivalent Cs(2), and one Au(3) atom.
Cs7CaAu5O2 crystallizes in the monoclinic Cm space group. There are four inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a distorted single-bond geometry to one Au(5), two equivalent Au(4), and one O(1) atom. The Cs(1)-Au(5) bond length is 3.69 Å. There is one shorter (3.74 Å) and one longer (3.77 Å) Cs(1)-Au(4) bond length. The Cs(1)-O(1) bond length is 2.77 Å. In the second Cs site, Cs(2) is bonded in a 2-coordinate geometry to one Au(1), one Au(2), one Au(4), one Au(5), and two equivalent O(1) atoms. The Cs(2)-Au(1) bond length is 4.19 Å. The Cs(2)-Au(2) bond length is 4.13 Å. The Cs(2)-Au(4) bond length is 3.91 Å. The Cs(2)-Au(5) bond length is 3.70 Å. There is one shorter (3.11 Å) and one longer (3.13 Å) Cs(2)-O(1) bond length. In the third Cs site, Cs(3) is bonded in a distorted single-bond geometry to one Au(2), one Au(4), two equivalent Au(5), and one O(1) atom. The Cs(3)-Au(2) bond length is 3.96 Å. The Cs(3)-Au(4) bond length is 4.19 Å. Both Cs(3)-Au(5) bond lengths are 3.78 Å. The Cs(3)-O(1) bond length is 2.96 Å. In the fourth Cs site, Cs(4) is bonded in a 5-coordinate geometry to one Au(2), two equivalent Au(1), two equivalent Au(4), and two equivalent O(1) atoms. The Cs(4)-Au(2) bond length is 3.77 Å. Both Cs(4)-Au(1) bond lengths are 3.37 Å. There is one shorter (4.23 Å) and one longer (4.29 Å) Cs(4)-Au(4) bond length. Both Cs(4)-O(1) bond lengths are 3.71 Å. Ca(1) is bonded in a distorted square co-planar geometry to one Au(1), one Au(3), and two equivalent Au(2) atoms. The Ca(1)-Au(1) bond length is 2.90 Å. The Ca(1)-Au(3) bond length is 3.06 Å. Both Ca(1)-Au(2) bond lengths are 3.15 Å. There are five inequivalent Au sites. In the first Au site, Au(1) is bonded in a 5-coordinate geometry to two equivalent Cs(2), two equivalent Cs(4), and one Ca(1) atom. In the second Au site, Au(2) is bonded to one Cs(4), two equivalent Cs(2), two equivalent Cs(3), and two equivalent Ca(1) atoms to form distorted corner-sharing AuCs5Ca2 pentagonal bipyramids. In the third Au site, Au(3) is bonded in a distorted T-shaped geometry to one Ca(1) and two equivalent O(1) atoms. Both Au(3)-O(1) bond lengths are 2.05 Å. In the fourth Au site, Au(4) is bonded in a 10-coordinate geometry to two equivalent Cs(2), two equivalent Cs(3), two equivalent Cs(4), and four equivalent Cs(1) atoms. In the fifth Au site, Au(5) is bonded in a body-centered cubic geometry to two equivalent Cs(1), two equivalent Cs(2), and four equivalent Cs(3) atoms. O(1) is bonded in a 6-coordinate geometry to one Cs(1), one Cs(3), one Cs(4), two equivalent Cs(2), and one Au(3) atom.