K5Ag(NO)2 is Pb (Zr_0.50 Ti_0.48) O_3-derived structured and crystallizes in the monoclinic P2_1 space group. There are five inequivalent K sites. In the first K site, K(1) is bonded in a 4-coordinate geometry to two equivalent N(2), one O(1), and one O(2) atom. In the second K site, K(2) is bonded in a 4-coordinate geometry to two equivalent N(1), one O(1), and one O(2) atom. In the third K site, K(3) is bonded in a distorted rectangular see-saw-like geometry to one N(1), one N(2), and two equivalent O(1) atoms. In the fourth K site, K(4) is bonded in a 4-coordinate geometry to one N(1), one N(2), and two equivalent O(2) atoms. In the fifth K site, K(5) is bonded in a 4-coordinate geometry to one N(1), one N(2), one O(1), and one O(2) atom. Ag(1) is bonded in a linear geometry to one O(1) and one O(2) atom. There are two inequivalent N sites. In the first N site, N(1) is bonded in a 5-coordinate geometry to one K(3), one K(4), one K(5), and two equivalent K(2) atoms. In the second N site, N(2) is bonded in a 5-coordinate geometry to one K(3), one K(4), one K(5), and two equivalent K(1) atoms. There are two inequivalent O sites. In the first O site, O(1) is bonded to one K(1), one K(2), one K(5), two equivalent K(3), and one Ag(1) atom to form corner-sharing OK5Ag octahedra. The corner-sharing octahedral tilt angles range from 1-36°. In the second O site, O(2) is bonded to one K(1), one K(2), one K(5), two equivalent K(4), and one Ag(1) atom to form corner-sharing OK5Ag octahedra. The corner-sharing octahedral tilt angles range from 1-36°.
K5Ag(NO)2 is Pb (Zr_0.50 Ti_0.48) O_3-derived structured and crystallizes in the monoclinic P2_1 space group. There are five inequivalent K sites. In the first K site, K(1) is bonded in a 4-coordinate geometry to two equivalent N(2), one O(1), and one O(2) atom. There is one shorter (3.00 Å) and one longer (3.13 Å) K(1)-N(2) bond length. The K(1)-O(1) bond length is 2.60 Å. The K(1)-O(2) bond length is 2.73 Å. In the second K site, K(2) is bonded in a 4-coordinate geometry to two equivalent N(1), one O(1), and one O(2) atom. There is one shorter (3.12 Å) and one longer (3.13 Å) K(2)-N(1) bond length. The K(2)-O(1) bond length is 2.72 Å. The K(2)-O(2) bond length is 2.58 Å. In the third K site, K(3) is bonded in a distorted rectangular see-saw-like geometry to one N(1), one N(2), and two equivalent O(1) atoms. The K(3)-N(1) bond length is 3.01 Å. The K(3)-N(2) bond length is 3.14 Å. There is one shorter (2.63 Å) and one longer (2.64 Å) K(3)-O(1) bond length. In the fourth K site, K(4) is bonded in a 4-coordinate geometry to one N(1), one N(2), and two equivalent O(2) atoms. The K(4)-N(1) bond length is 3.33 Å. The K(4)-N(2) bond length is 2.89 Å. There is one shorter (2.64 Å) and one longer (2.66 Å) K(4)-O(2) bond length. In the fifth K site, K(5) is bonded in a 4-coordinate geometry to one N(1), one N(2), one O(1), and one O(2) atom. The K(5)-N(1) bond length is 3.31 Å. The K(5)-N(2) bond length is 3.28 Å. The K(5)-O(1) bond length is 2.74 Å. The K(5)-O(2) bond length is 2.73 Å. Ag(1) is bonded in a linear geometry to one O(1) and one O(2) atom. The Ag(1)-O(1) bond length is 2.05 Å. The Ag(1)-O(2) bond length is 2.05 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a 5-coordinate geometry to one K(3), one K(4), one K(5), and two equivalent K(2) atoms. In the second N site, N(2) is bonded in a 5-coordinate geometry to one K(3), one K(4), one K(5), and two equivalent K(1) atoms. There are two inequivalent O sites. In the first O site, O(1) is bonded to one K(1), one K(2), one K(5), two equivalent K(3), and one Ag(1) atom to form corner-sharing OK5Ag octahedra. The corner-sharing octahedral tilt angles range from 1-36°. In the second O site, O(2) is bonded to one K(1), one K(2), one K(5), two equivalent K(4), and one Ag(1) atom to form corner-sharing OK5Ag octahedra. The corner-sharing octahedral tilt angles range from 1-36°.