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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on SrF3 by Materials Project

SrF3 crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. Sr is bonded in a 9-coordinate geometry to nine F atoms. There are a spread of Sr–F bond distances ranging from 2.51–2.66 Å. There are three inequivalent F sites. In the first F site, F is bonded to four equivalent Sr atoms to form a mixture of corner and edge-sharing FSr4 tetrahedra. In the second F site, F is bonded in a trigonal non-coplanar geometry to three equivalent Sr atoms. In the third F site, F is bonded in a water-like geometry to two equivalent Sr atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrF3 by Materials Project

SrF3 is alpha bismuth trifluoride structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Sr is bonded to twelve F atoms to form a mixture of corner, edge, and face-sharing SrF12 cuboctahedra. There are eight shorter (2.61 Å) and four longer (2.85 Å) Sr–F bond lengths. There are two inequivalent F sites. In the first F site, F is bonded to four equivalent Sr atoms to form a mixture of corner and edge-sharing FSr4 tetrahedra. In the second F site, F is bonded in a square co-planar geometry to four equivalent Sr atoms.

36 MATERIALS SCIENCE↗