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DOE OSTI · 1705526

Materials Data on Pr4OsI5 by Materials Project

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Abstract

Pr4OsI5 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Pr sites. In the first Pr site, Pr is bonded in a 6-coordinate geometry to one Os and five I atoms. The Pr–Os bond length is 2.73 Å. There are a spread of Pr–I bond distances ranging from 3.24–3.69 Å. In the second Pr site, Pr is bonded to two equivalent Os and four I atoms to form a mixture of edge and corner-sharing PrOs2I4 octahedra. The corner-sharing octahedral tilt angles are 0°. Both Pr–Os bond lengths are 2.91 Å. There are a spread of Pr–I bond distances ranging from 3.28–3.48 Å. Os is bonded to six Pr atoms to form edge-sharing OsPr6 octahedra. There are three inequivalent I sites. In the first I site, I is bonded in a distorted see-saw-like geometry to four Pr atoms. In the second I site, I is bonded in a distorted T-shaped geometry to three Pr atoms. In the third I site, I is bonded in a square co-planar geometry to four equivalent Pr atoms.

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36 MATERIALS SCIENCEcrystal structureI-Os-PrPr4OsI5

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2020-05-03. Materials Data on Pr4OsI5 by Materials Project. https://doi.org/10.17188/1705526

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