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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on CsNb4Cl11 by Materials Project

CsNb4Cl11 crystallizes in the orthorhombic Pmma space group. The structure is three-dimensional. Cs1+ is bonded in a 10-coordinate geometry to ten Cl1- atoms. There are a spread of Cs–Cl bond distances ranging from 3.65–3.86 Å. There are two inequivalent Nb+2.50+ sites. In the first Nb+2.50+ site, Nb+2.50+ is bonded to six Cl1- atoms to form a mixture of distorted edge and face-sharing NbCl6 octahedra. There are a spread of Nb–Cl bond distances ranging from 2.44–2.64 Å. In the second Nb+2.50+ site, Nb+2.50+ is bonded to six Cl1- atoms to form edge-sharing NbCl6 octahedra. There are a spread of Nb–Cl bond distances ranging from 2.51–2.60 Å. There are five inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a distorted water-like geometry to one Cs1+ and two equivalent Nb+2.50+ atoms. In the second Cl1- site, Cl1- is bonded in a 3-coordinate geometry to one Cs1+ and two Nb+2.50+ atoms. In the third Cl1- site, Cl1- is bonded in a distorted L-shaped geometry to one Cs1+ and two equivalent Nb+2.50+ atoms. In the fourth Cl1- site, Cl1- is bonded in a 3-coordinate geometry to three Nb+2.50+ atoms. In the fifth Cl1- site, Cl1- is bonded in a 2-coordinate geometry to two equivalent Cs1+ and two equivalent Nb+2.50+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cs(Nb2Cl5)3 by Materials Project

Cs(Nb2Cl5)3 crystallizes in the orthorhombic Pmma space group. The structure is three-dimensional. Cs1+ is bonded in a distorted q6 geometry to ten Cl1- atoms. There are a spread of Cs–Cl bond distances ranging from 3.39–3.56 Å. 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 2.47–2.84 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 2.46–2.74 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 2.47–2.73 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 (2.74 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 (2.47 Å) and one longer (2.76 Å) Nb–Cl bond lengths. There are eleven inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a rectangular see-saw-like geometry to two equivalent Cs1+ and two equivalent Nb+2.33+ atoms. In the second Cl1- site, Cl1- is bonded in a distorted square co-planar geometry to two equivalent Cs1+ and two Nb+2.33+ atoms. In the third Cl1- site, Cl1- is bonded in a 2-coordinate geometry to two equivalent Nb+2.33+ atoms. In the fourth Cl1- site, Cl1- is bonded in a 2-coordinate geometry to one Cs1+ and two Nb+2.33+ atoms. In the fifth Cl1- site, Cl1- is bonded in a 3-coordinate geometry to one Cs1+ and two Nb+2.33+ atoms. In the sixth Cl1- site, Cl1- is bonded in a 3-coordinate geometry to one Cs1+ and two Nb+2.33+ atoms. In the seventh Cl1- site, Cl1- is bonded in a 3-coordinate geometry to one Cs1+ and two Nb+2.33+ atoms. 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 150 degrees geometry to two Nb+2.33+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CsNbCl6 by Materials Project

CsNbCl6 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Cs1+ is bonded to twelve Cl1- atoms to form CsCl12 cuboctahedra that share corners with four equivalent CsCl12 cuboctahedra, corners with two equivalent NbCl6 octahedra, edges with four equivalent CsCl12 cuboctahedra, edges with two equivalent NbCl6 octahedra, and faces with two equivalent NbCl6 octahedra. The corner-sharing octahedral tilt angles are 46°. There are a spread of Cs–Cl bond distances ranging from 3.76–3.89 Å. Nb5+ is bonded to six Cl1- atoms to form NbCl6 octahedra that share corners with two equivalent CsCl12 cuboctahedra, edges with two equivalent CsCl12 cuboctahedra, and faces with two equivalent CsCl12 cuboctahedra. There are four shorter (2.38 Å) and two longer (2.39 Å) Nb–Cl bond lengths. There are three inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a single-bond geometry to two equivalent Cs1+ and one Nb5+ atom. In the second Cl1- site, Cl1- is bonded in a distorted single-bond geometry to two equivalent Cs1+ and one Nb5+ atom. In the third Cl1- site, Cl1- is bonded in a single-bond geometry to two equivalent Cs1+ and one Nb5+ atom.

36 MATERIALS SCIENCE↗