Materials Data on Nb6TlCl15 by Materials Project

Abstract

Nb6TlCl15 crystallizes in the orthorhombic Pmma space group. The structure is three-dimensional. there are five inequivalent Nb+2.33+ sites. In the first Nb+2.33+ site, Nb+2.33+ is bonded to five Cl1- atoms to form distorted corner-sharing NbCl5 square pyramids. There are a spread of Nb–Cl bond distances ranging from 2.46–2.83 Å. In the second Nb+2.33+ site, Nb+2.33+ is bonded to five Cl1- atoms to form corner-sharing NbCl5 square pyramids. There are a spread of Nb–Cl bond distances ranging from 2.46–2.71 Å. In the third Nb+2.33+ site, Nb+2.33+ is bonded to five Cl1- atoms to form corner-sharing NbCl5 square pyramids. There are a spread of Nb–Cl bond distances ranging from 2.47–2.71 Å. In the fourth Nb+2.33+ site, Nb+2.33+ is bonded to five Cl1- atoms to form corner-sharing NbCl5 square pyramids. There are four shorter (2.49 Å) and one longer (2.69 Å) Nb–Cl bond lengths. In the fifth Nb+2.33+ site, Nb+2.33+ is bonded to five Cl1- atoms to form corner-sharing NbCl5 square pyramids. There are four shorter (2.46 Å) and one longer (2.71 Å) Nb–Cl bond lengths. Tl1+ is bonded in a distorted q6 geometry to ten Cl1- atoms. There are a spread of Tl–Cl bond distances ranging from 3.31–3.50 Å. There are eleven inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a distorted rectangular see-saw-like geometry to two equivalent Nb+2.33+ and two equivalent Tl1+ atoms. In the second Cl1- site, Cl1- is bonded in a distorted linear geometry to two Nb+2.33+ and two equivalent Tl1+ atoms. In the third Cl1- site, Cl1- is bonded in a 2-coordinate geometry to two Nb+2.33+ and one Tl1+ atom. In the fourth Cl1- site, Cl1- is bonded in a 3-coordinate geometry to two Nb+2.33+ and one Tl1+ atom. In the fifth Cl1- site, Cl1- is bonded in a 3-coordinate geometry to two Nb+2.33+ and one Tl1+ atom. In the sixth Cl1- site, Cl1- is bonded in a 2-coordinate geometry to two equivalent Nb+2.33+ atoms. In the seventh Cl1- site, Cl1- is bonded in a 2-coordinate geometry to two Nb+2.33+ and one Tl1+ atom. In the eighth Cl1- site, Cl1- is bonded in a 2-coordinate geometry to two equivalent Nb+2.33+ atoms. In the ninth Cl1- site, Cl1- is bonded in a 2-coordinate geometry to two equivalent Nb+2.33+ atoms. In the tenth Cl1- site, Cl1- is bonded in a 2-coordinate geometry to two equivalent Nb+2.33+ atoms. In the eleventh Cl1- site, Cl1- is bonded in a distorted bent 120 degrees geometry to two Nb+2.33+ atoms.