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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on GeH10(N2F3)2 by Materials Project

(NH3)2(NH2)2GeF6 crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of four ammonia molecules, four ammonia molecules, and two GeF6 clusters. In each GeF6 cluster, Ge4+ is bonded in an octahedral geometry to six F1- atoms. There is four shorter (1.82 Å) and two longer (1.87 Å) Ge–F bond length. There are three inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one Ge4+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one Ge4+ atom. In the third F1- site, F1- is bonded in a single-bond geometry to one Ge4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on GeH12(NF2)4 by Materials Project

(NH)2(NH4)2GeH2F8 crystallizes in the orthorhombic Pccn space group. The structure is zero-dimensional and consists of eight ammonia molecules, eight ammonium molecules, and four GeH2F8 clusters. In each GeH2F8 cluster, Ge4+ is bonded in an octahedral geometry to six F1- atoms. There are a spread of Ge–F bond distances ranging from 1.80–1.91 Å. H1+ is bonded in a linear geometry to two F1- atoms. There is one shorter (0.99 Å) and one longer (1.46 Å) H–F bond length. There are four inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one Ge4+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one Ge4+ atom. In the third F1- site, F1- is bonded in a bent 120 degrees geometry to one Ge4+ and one H1+ atom. In the fourth F1- site, F1- is bonded in a single-bond geometry to one H1+ atom.

36 MATERIALS SCIENCE↗