KNaAs6(PbO3)8 crystallizes in the trigonal P3 space group. K(1) is bonded in a 9-coordinate geometry to three equivalent O(1), three equivalent O(3), and three equivalent O(8) atoms. Na(1) is bonded in a 6-coordinate geometry to three equivalent O(2) and three equivalent O(7) atoms. There are four inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(4), one O(5), one O(6), and one O(8) atom. In the second Pb site, Pb(2) is bonded in a 6-coordinate geometry to one O(1), one O(3), one O(4), one O(5), one O(6), and one O(7) atom. In the third Pb site, Pb(3) is bonded in a 3-coordinate geometry to three equivalent O(1) atoms. In the fourth Pb site, Pb(4) is bonded in a 3-coordinate geometry to three equivalent O(2) atoms. There are two inequivalent As sites. In the first As site, As(1) is bonded in a tetrahedral geometry to one O(1), one O(4), one O(5), and one O(7) atom. In the second As site, As(2) is bonded in a tetrahedral geometry to one O(2), one O(3), one O(6), and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(7) is bonded in a 3-coordinate geometry to one Na(1), one Pb(2), and one As(1) atom. In the second O site, O(8) is bonded in a 3-coordinate geometry to one K(1), one Pb(1), and one As(2) atom. In the third O site, O(1) is bonded in a 1-coordinate geometry to one K(1), one Pb(2), one Pb(3), and one As(1) atom. In the fourth O site, O(2) is bonded in a 3-coordinate geometry to one Na(1), one Pb(1), one Pb(4), and one As(2) atom. In the fifth O site, O(3) is bonded in a distorted single-bond geometry to one K(1), one Pb(1), one Pb(2), and one As(2) atom. In the sixth O site, O(4) is bonded in a distorted single-bond geometry to one Pb(1), one Pb(2), and one As(1) atom. In the seventh O site, O(5) is bonded in a distorted single-bond geometry to one Pb(1), one Pb(2), and one As(1) atom. In the eighth O site, O(6) is bonded in a distorted single-bond geometry to one Pb(1), one Pb(2), and one As(2) atom.
KNaAs6(PbO3)8 crystallizes in the trigonal P3 space group. K(1) is bonded in a 9-coordinate geometry to three equivalent O(1), three equivalent O(3), and three equivalent O(8) atoms. All K(1)-O(1) bond lengths are 2.74 Å. All K(1)-O(3) bond lengths are 3.08 Å. All K(1)-O(8) bond lengths are 2.80 Å. Na(1) is bonded in a 6-coordinate geometry to three equivalent O(2) and three equivalent O(7) atoms. All Na(1)-O(2) bond lengths are 2.52 Å. All Na(1)-O(7) bond lengths are 2.82 Å. There are four inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(4), one O(5), one O(6), and one O(8) atom. The Pb(1)-O(2) bond length is 2.84 Å. The Pb(1)-O(3) bond length is 2.71 Å. The Pb(1)-O(4) bond length is 2.53 Å. The Pb(1)-O(5) bond length is 2.57 Å. The Pb(1)-O(6) bond length is 2.71 Å. The Pb(1)-O(8) bond length is 2.27 Å. In the second Pb site, Pb(2) is bonded in a 6-coordinate geometry to one O(1), one O(3), one O(4), one O(5), one O(6), and one O(7) atom. The Pb(2)-O(1) bond length is 2.84 Å. The Pb(2)-O(3) bond length is 2.56 Å. The Pb(2)-O(4) bond length is 2.65 Å. The Pb(2)-O(5) bond length is 2.71 Å. The Pb(2)-O(6) bond length is 2.54 Å. The Pb(2)-O(7) bond length is 2.28 Å. In the third Pb site, Pb(3) is bonded in a 3-coordinate geometry to three equivalent O(1) atoms. All Pb(3)-O(1) bond lengths are 2.46 Å. In the fourth Pb site, Pb(4) is bonded in a 3-coordinate geometry to three equivalent O(2) atoms. All Pb(4)-O(2) bond lengths are 2.48 Å. There are two inequivalent As sites. In the first As site, As(1) is bonded in a tetrahedral geometry to one O(1), one O(4), one O(5), and one O(7) atom. The As(1)-O(1) bond length is 1.72 Å. The As(1)-O(4) bond length is 1.72 Å. The As(1)-O(5) bond length is 1.73 Å. The As(1)-O(7) bond length is 1.74 Å. In the second As site, As(2) is bonded in a tetrahedral geometry to one O(2), one O(3), one O(6), and one O(8) atom. The As(2)-O(2) bond length is 1.72 Å. The As(2)-O(3) bond length is 1.72 Å. The As(2)-O(6) bond length is 1.73 Å. The As(2)-O(8) bond length is 1.74 Å. There are eight inequivalent O sites. In the first O site, O(7) is bonded in a 3-coordinate geometry to one Na(1), one Pb(2), and one As(1) atom. In the second O site, O(8) is bonded in a 3-coordinate geometry to one K(1), one Pb(1), and one As(2) atom. In the third O site, O(1) is bonded in a 1-coordinate geometry to one K(1), one Pb(2), one Pb(3), and one As(1) atom. In the fourth O site, O(2) is bonded in a 3-coordinate geometry to one Na(1), one Pb(1), one Pb(4), and one As(2) atom. In the fifth O site, O(3) is bonded in a distorted single-bond geometry to one K(1), one Pb(1), one Pb(2), and one As(2) atom. In the sixth O site, O(4) is bonded in a distorted single-bond geometry to one Pb(1), one Pb(2), and one As(1) atom. In the seventh O site, O(5) is bonded in a distorted single-bond geometry to one Pb(1), one Pb(2), and one As(1) atom. In the eighth O site, O(6) is bonded in a distorted single-bond geometry to one Pb(1), one Pb(2), and one As(2) atom.