Zn3Sn3NSe9O4 crystallizes in the triclinic P1 space group. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one Se(1), one Se(2), one Se(6), and one Se(9) atom to form distorted ZnSe4 trigonal pyramids that share  a cornercorner with one Zn(2)Se3N tetrahedra, corners with two equivalent Sn(1)Se4 tetrahedra, and corners with two equivalent Sn(3)Se4 trigonal pyramids. In the second Zn site, Zn(2) is bonded to one N(1), one Se(1), one Se(3), and one Se(4) atom to form distorted ZnSe3N tetrahedra that share  a cornercorner with one Sn(1)Se4 tetrahedra,  a cornercorner with one Zn(1)Se4 trigonal pyramid, and  a cornercorner with one Sn(3)Se4 trigonal pyramid. In the third Zn site, Zn(3) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. There are three inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to one Se(2), one Se(3), one Se(5), and one Se(6) atom to form SnSe4 tetrahedra that share  a cornercorner with one Zn(2)Se3N tetrahedra,  a cornercorner with one Sn(3)Se4 trigonal pyramid, and corners with two equivalent Zn(1)Se4 trigonal pyramids. In the second Sn site, Sn(2) is bonded in a distorted L-shaped geometry to one Se(4) and one Se(7) atom. In the third Sn site, Sn(3) is bonded to one Se(1), one Se(5), one Se(7), and one Se(9) atom to form distorted SnSe4 trigonal pyramids that share  a cornercorner with one Zn(2)Se3N tetrahedra,  a cornercorner with one Sn(1)Se4 tetrahedra, and corners with two equivalent Zn(1)Se4 trigonal pyramids. N(1) is bonded in a distorted single-bond geometry to one Zn(2) atom. There are nine inequivalent Se sites. In the first Se site, Se(1) is bonded in a trigonal non-coplanar geometry to one Zn(1), one Zn(2), and one Sn(3) atom. In the second Se site, Se(2) is bonded in a distorted single-bond geometry to one Zn(1), one Sn(1), and one O(1) atom. In the third Se site, Se(3) is bonded in a distorted water-like geometry to one Zn(2) and one Sn(1) atom. In the fourth Se site, Se(4) is bonded in a 3-coordinate geometry to one Zn(2), one Sn(2), and one Se(9) atom. In the fifth Se site, Se(5) is bonded in a distorted single-bond geometry to one Sn(1), one Sn(3), and one O(3) atom. In the sixth Se site, Se(6) is bonded in a water-like geometry to one Zn(1) and one Sn(1) atom. In the seventh Se site, Se(7) is bonded in an L-shaped geometry to one Sn(2) and one Sn(3) atom. In the eighth Se site, Se(8) is bonded in a distorted L-shaped geometry to one O(2) and one O(4) atom. In the ninth Se site, Se(9) is bonded in a 3-coordinate geometry to one Zn(1), one Sn(3), and one Se(4) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Zn(3) and one Se(2) atom. In the second O site, O(2) is bonded in an L-shaped geometry to one Zn(3) and one Se(8) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(3) and one Se(5) atom. In the fourth O site, O(4) is bonded in an L-shaped geometry to one Zn(3) and one Se(8) atom.
Zn3Sn3NSe9O4 crystallizes in the triclinic P1 space group. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one Se(1), one Se(2), one Se(6), and one Se(9) atom to form distorted ZnSe4 trigonal pyramids that share  a cornercorner with one Zn(2)Se3N tetrahedra, corners with two equivalent Sn(1)Se4 tetrahedra, and corners with two equivalent Sn(3)Se4 trigonal pyramids. The Zn(1)-Se(1) bond length is 2.43 Å. The Zn(1)-Se(2) bond length is 3.05 Å. The Zn(1)-Se(6) bond length is 2.37 Å. The Zn(1)-Se(9) bond length is 2.44 Å. In the second Zn site, Zn(2) is bonded to one N(1), one Se(1), one Se(3), and one Se(4) atom to form distorted ZnSe3N tetrahedra that share  a cornercorner with one Sn(1)Se4 tetrahedra,  a cornercorner with one Zn(1)Se4 trigonal pyramid, and  a cornercorner with one Sn(3)Se4 trigonal pyramid. The Zn(2)-N(1) bond length is 1.95 Å. The Zn(2)-Se(1) bond length is 2.52 Å. The Zn(2)-Se(3) bond length is 2.46 Å. The Zn(2)-Se(4) bond length is 2.58 Å. In the third Zn site, Zn(3) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. The Zn(3)-O(1) bond length is 1.90 Å. The Zn(3)-O(2) bond length is 2.14 Å. The Zn(3)-O(3) bond length is 1.95 Å. The Zn(3)-O(4) bond length is 2.04 Å. There are three inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to one Se(2), one Se(3), one Se(5), and one Se(6) atom to form SnSe4 tetrahedra that share  a cornercorner with one Zn(2)Se3N tetrahedra,  a cornercorner with one Sn(3)Se4 trigonal pyramid, and corners with two equivalent Zn(1)Se4 trigonal pyramids. The Sn(1)-Se(2) bond length is 2.66 Å. The Sn(1)-Se(3) bond length is 2.59 Å. The Sn(1)-Se(5) bond length is 2.71 Å. The Sn(1)-Se(6) bond length is 2.53 Å. In the second Sn site, Sn(2) is bonded in a distorted L-shaped geometry to one Se(4) and one Se(7) atom. The Sn(2)-Se(4) bond length is 2.68 Å. The Sn(2)-Se(7) bond length is 2.77 Å. In the third Sn site, Sn(3) is bonded to one Se(1), one Se(5), one Se(7), and one Se(9) atom to form distorted SnSe4 trigonal pyramids that share  a cornercorner with one Zn(2)Se3N tetrahedra,  a cornercorner with one Sn(1)Se4 tetrahedra, and corners with two equivalent Zn(1)Se4 trigonal pyramids. The Sn(3)-Se(1) bond length is 2.60 Å. The Sn(3)-Se(5) bond length is 2.81 Å. The Sn(3)-Se(7) bond length is 2.57 Å. The Sn(3)-Se(9) bond length is 2.76 Å. N(1) is bonded in a distorted single-bond geometry to one Zn(2) atom. There are nine inequivalent Se sites. In the first Se site, Se(1) is bonded in a trigonal non-coplanar geometry to one Zn(1), one Zn(2), and one Sn(3) atom. In the second Se site, Se(2) is bonded in a distorted single-bond geometry to one Zn(1), one Sn(1), and one O(1) atom. The Se(2)-O(1) bond length is 1.78 Å. In the third Se site, Se(3) is bonded in a distorted water-like geometry to one Zn(2) and one Sn(1) atom. In the fourth Se site, Se(4) is bonded in a 3-coordinate geometry to one Zn(2), one Sn(2), and one Se(9) atom. The Se(4)-Se(9) bond length is 2.50 Å. In the fifth Se site, Se(5) is bonded in a distorted single-bond geometry to one Sn(1), one Sn(3), and one O(3) atom. The Se(5)-O(3) bond length is 1.75 Å. In the sixth Se site, Se(6) is bonded in a water-like geometry to one Zn(1) and one Sn(1) atom. In the seventh Se site, Se(7) is bonded in an L-shaped geometry to one Sn(2) and one Sn(3) atom. In the eighth Se site, Se(8) is bonded in a distorted L-shaped geometry to one O(2) and one O(4) atom. The Se(8)-O(2) bond length is 1.70 Å. The Se(8)-O(4) bond length is 1.74 Å. In the ninth Se site, Se(9) is bonded in a 3-coordinate geometry to one Zn(1), one Sn(3), and one Se(4) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Zn(3) and one Se(2) atom. In the second O site, O(2) is bonded in an L-shaped geometry to one Zn(3) and one Se(8) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(3) and one Se(5) atom. In the fourth O site, O(4) is bonded in an L-shaped geometry to one Zn(3) and one Se(8) atom.