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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Sr(GePd)2 by Materials Project

SrPd2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Sr is bonded in a 8-coordinate geometry to eight equivalent Pd and eight equivalent Ge atoms. All Sr–Pd bond lengths are 3.40 Å. All Sr–Ge bond lengths are 3.41 Å. Pd is bonded in a 4-coordinate geometry to four equivalent Sr and four equivalent Ge atoms. All Pd–Ge bond lengths are 2.54 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Sr, four equivalent Pd, and one Ge atom. The Ge–Ge bond length is 2.67 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrGe3Pd by Materials Project

SrPdGe3 crystallizes in the tetragonal I4mm space group. The structure is three-dimensional. Sr is bonded in a 12-coordinate geometry to four equivalent Pd and twelve Ge atoms. All Sr–Pd bond lengths are 3.51 Å. There are a spread of Sr–Ge bond distances ranging from 3.36–3.48 Å. Pd is bonded in a 5-coordinate geometry to four equivalent Sr and five Ge atoms. There are one shorter (2.51 Å) and four longer (2.54 Å) Pd–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 1-coordinate geometry to four equivalent Sr, one Pd, and four equivalent Ge atoms. All Ge–Ge bond lengths are 2.72 Å. In the second Ge site, Ge is bonded in a 2-coordinate geometry to four equivalent Sr, two equivalent Pd, and two equivalent Ge atoms.

36 MATERIALS SCIENCE↗