FeC3SeO3 is Indium-like structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two FeC3SeO3 clusters. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a 5-coordinate geometry to one C(1), one C(4), one C(6), one Se(1), and one Se(2) atom. In the second Fe site, Fe(2) is bonded in a 5-coordinate geometry to one C(2), one C(3), one C(5), one Se(1), and one Se(2) atom. There are six inequivalent C sites. In the first C site, C(1) is bonded in a linear geometry to one Fe(1) and one O(4) atom. In the second C site, C(2) is bonded in a linear geometry to one Fe(2) and one O(6) atom. In the third C site, C(3) is bonded in a linear geometry to one Fe(2) and one O(2) atom. In the fourth C site, C(4) is bonded in a linear geometry to one Fe(1) and one O(1) atom. In the fifth C site, C(5) is bonded in a linear geometry to one Fe(2) and one O(3) atom. In the sixth C site, C(6) is bonded in a linear geometry to one Fe(1) and one O(5) atom. There are two inequivalent Se sites. In the first Se site, Se(1) is bonded in a 2-coordinate geometry to one Fe(1), one Fe(2), and one Se(2) atom. In the second Se site, Se(2) is bonded in a 3-coordinate geometry to one Fe(1), one Fe(2), and one Se(1) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one C(4) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(3) atom. In the third O site, O(3) is bonded in a single-bond geometry to one C(5) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one C(1) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one C(6) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one C(2) atom.
FeC3SeO3 is Indium-like structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two FeC3SeO3 clusters. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a 5-coordinate geometry to one C(1), one C(4), one C(6), one Se(1), and one Se(2) atom. The Fe(1)-C(1) bond length is 1.79 Å. The Fe(1)-C(4) bond length is 1.79 Å. The Fe(1)-C(6) bond length is 1.79 Å. The Fe(1)-Se(1) bond length is 2.38 Å. The Fe(1)-Se(2) bond length is 2.41 Å. In the second Fe site, Fe(2) is bonded in a 5-coordinate geometry to one C(2), one C(3), one C(5), one Se(1), and one Se(2) atom. The Fe(2)-C(2) bond length is 1.80 Å. The Fe(2)-C(3) bond length is 1.79 Å. The Fe(2)-C(5) bond length is 1.79 Å. The Fe(2)-Se(1) bond length is 2.39 Å. The Fe(2)-Se(2) bond length is 2.40 Å. There are six inequivalent C sites. In the first C site, C(1) is bonded in a linear geometry to one Fe(1) and one O(4) atom. The C(1)-O(4) bond length is 1.16 Å. In the second C site, C(2) is bonded in a linear geometry to one Fe(2) and one O(6) atom. The C(2)-O(6) bond length is 1.16 Å. In the third C site, C(3) is bonded in a linear geometry to one Fe(2) and one O(2) atom. The C(3)-O(2) bond length is 1.16 Å. In the fourth C site, C(4) is bonded in a linear geometry to one Fe(1) and one O(1) atom. The C(4)-O(1) bond length is 1.16 Å. In the fifth C site, C(5) is bonded in a linear geometry to one Fe(2) and one O(3) atom. The C(5)-O(3) bond length is 1.16 Å. In the sixth C site, C(6) is bonded in a linear geometry to one Fe(1) and one O(5) atom. The C(6)-O(5) bond length is 1.16 Å. There are two inequivalent Se sites. In the first Se site, Se(1) is bonded in a 2-coordinate geometry to one Fe(1), one Fe(2), and one Se(2) atom. The Se(1)-Se(2) bond length is 2.34 Å. In the second Se site, Se(2) is bonded in a 3-coordinate geometry to one Fe(1), one Fe(2), and one Se(1) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one C(4) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(3) atom. In the third O site, O(3) is bonded in a single-bond geometry to one C(5) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one C(1) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one C(6) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one C(2) atom.