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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 KH2I3O by Materials Project

KH2O(I)3 crystallizes in the monoclinic Pc space group. The structure is one-dimensional and consists of six hydriodic acid molecules and two KH2O ribbons oriented in the (1, 0, 0) direction. In each KH2O ribbon, K1+ is bonded in a bent 120 degrees geometry to two equivalent O2- atoms. There are one shorter (2.77 Å) and one longer (2.81 Å) K–O bond lengths. There are two inequivalent H1- sites. In the first H1- site, H1- is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the second H1- site, H1- is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. O2- is bonded in a distorted water-like geometry to two equivalent K1+ and two H1- atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on KH(IO3)2 by Materials Project

KH(IO3)2 crystallizes in the orthorhombic Pca2_1 space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.72–3.17 Å. In the second K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.81–3.39 Å. There are two inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.04 Å) and one longer (1.51 Å) H–O bond length. In the second H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.06 Å) and one longer (1.44 Å) H–O bond length. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+, one H1+, and one I5+ atom. The O–I bond length is 1.86 Å. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two K1+ and one I5+ atom. The O–I bond length is 1.82 Å. In the third O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and one I5+ atom. The O–I bond length is 1.86 Å. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one I5+ atom. The O–I bond length is 1.83 Å. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and two I5+ atoms. There are one shorter (1.83 Å) and one longer (2.69 Å) O–I bond lengths. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+, one H1+, and one I5+ atom. The O–I bond length is 1.91 Å. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and one I5+ atom. The O–I bond length is 1.84 Å. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to one K1+ and one I5+ atom. The O–I bond length is 1.84 Å. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to two K1+ and one I5+ atom. The O–I bond length is 1.80 Å. In the tenth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one H1+, and one I5+ atom. The O–I bond length is 1.93 Å. In the eleventh O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one I5+ atom. The O–I bond length is 1.81 Å. In the twelfth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent K1+, one H1+, and one I5+ atom. The O–I bond length is 1.84 Å. There are four inequivalent I5+ sites. In the first I5+ site, I5+ is bonded in a 3-coordinate geometry to three O2- atoms. In the second I5+ site, I5+ is bonded in a 3-coordinate geometry to three O2- atoms. In the third I5+ site, I5+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. In the fourth I5+ site, I5+ is bonded in a 5-coordinate geometry to four O2- atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on KH(IO3)2 by Materials Project

KH(IO3)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.83–3.03 Å. In the second K1+ site, K1+ is bonded in a 6-coordinate geometry to one H1+ and eight O2- atoms. The K–H bond length is 2.87 Å. There are a spread of K–O bond distances ranging from 2.73–3.09 Å. There are two inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. In the second H1+ site, H1+ is bonded in a single-bond geometry to one K1+ and one O2- atom. The H–O bond length is 1.01 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one I5+ atom. The O–I bond length is 1.85 Å. In the second O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and two I5+ atoms. There are one shorter (1.82 Å) and one longer (2.72 Å) O–I bond lengths. In the third O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and two I5+ atoms. There are one shorter (1.82 Å) and one longer (2.66 Å) O–I bond lengths. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two K1+ and one I5+ atom. The O–I bond length is 1.81 Å. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent K1+ and one I5+ atom. The O–I bond length is 1.83 Å. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one H1+, and one I5+ atom. The O–I bond length is 1.99 Å. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to two K1+ and one I5+ atom. The O–I bond length is 1.83 Å. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one H1+, and one I5+ atom. The O–I bond length is 1.94 Å. In the ninth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and two I5+ atoms. There are one shorter (1.82 Å) and one longer (2.70 Å) O–I bond lengths. In the tenth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and two I5+ atoms. There are one shorter (1.84 Å) and one longer (2.55 Å) O–I bond lengths. In the eleventh O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two equivalent K1+ and two I5+ atoms. There are one shorter (1.85 Å) and one longer (2.49 Å) O–I bond lengths. In the twelfth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and one I5+ atom. The O–I bond length is 1.81 Å. There are four inequivalent I5+ sites. In the first I5+ site, I5+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. In the second I5+ site, I5+ is bonded in a 3-coordinate geometry to three O2- atoms. In the third I5+ site, I5+ is bonded in a 6-coordinate geometry to five O2- atoms. In the fourth I5+ site, I5+ is bonded in a 6-coordinate geometry to six O2- atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on KH(IO3)2 by Materials Project

KH(IO3)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.76–3.21 Å. There are two inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a linear geometry to two equivalent O2- atoms. Both H–O bond lengths are 1.22 Å. In the second H1+ site, H1+ is bonded in a linear geometry to two equivalent O2- atoms. Both H–O bond lengths are 1.22 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent K1+ and one I5+ atom. The O–I bond length is 1.82 Å. In the second O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent K1+, one H1+, and one I5+ atom. The O–I bond length is 1.89 Å. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one I5+ atom. The O–I bond length is 1.82 Å. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent K1+ and two I5+ atoms. There are one shorter (1.83 Å) and one longer (2.67 Å) O–I bond lengths. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and one I5+ atom. The O–I bond length is 1.84 Å. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, one H1+, and one I5+ atom. The O–I bond length is 1.88 Å. There are two inequivalent I5+ sites. In the first I5+ site, I5+ is bonded in a 3-coordinate geometry to four O2- atoms. In the second I5+ site, I5+ is bonded in a 6-coordinate geometry to three O2- atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on KH2(IO3)3 by Materials Project

KH2(IO3)3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of K–O bond distances ranging from 2.84–2.99 Å. In the second K1+ site, K1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of K–O bond distances ranging from 2.83–2.91 Å. There are four inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.01 Å. In the second H1+ site, H1+ is bonded in a distorted single-bond geometry to two O2- atoms. There is one shorter (1.01 Å) and one longer (1.70 Å) H–O bond length. In the third H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.05 Å) and one longer (1.50 Å) H–O bond length. In the fourth H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.05 Å) and one longer (1.52 Å) H–O bond length. There are eighteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one H1+ and one I5+ atom. The O–I bond length is 1.85 Å. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one H1+ and one I5+ atom. The O–I bond length is 1.94 Å. In the third O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and one I5+ atom. The O–I bond length is 1.81 Å. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one I5+ atom. The O–I bond length is 1.81 Å. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to one H1+ and one I5+ atom. The O–I bond length is 1.83 Å. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to one I5+ atom. The O–I bond length is 1.82 Å. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to two I5+ atoms. There are one shorter (1.88 Å) and one longer (2.56 Å) O–I bond lengths. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to two I5+ atoms. There are one shorter (1.85 Å) and one longer (2.62 Å) O–I bond lengths. In the ninth O2- site, O2- is bonded in a 3-coordinate geometry to one K1+ and two I5+ atoms. There are one shorter (1.85 Å) and one longer (2.48 Å) O–I bond lengths. In the tenth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and two I5+ atoms. There are one shorter (1.82 Å) and one longer (2.68 Å) O–I bond lengths. In the eleventh O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and two I5+ atoms. There are one shorter (1.83 Å) and one longer (2.55 Å) O–I bond lengths. In the twelfth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and two I5+ atoms. There are one shorter (1.84 Å) and one longer (2.50 Å) O–I bond lengths. In the thirteenth O2- site, O2- is bonded in a distorted single-bond geometry to one H1+ and one I5+ atom. The O–I bond length is 1.93 Å. In the fourteenth O2- site, O2- is bonded in a distorted single-bond geometry to one H1+ and one I5+ atom. The O–I bond length is 1.92 Å. In the fifteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+, one H1+, and one I5+ atom. The O–I bond length is 1.85 Å. In the sixteenth O2- site, O2- is bonded in a distorted single-bond geometry to one H1+ and one I5+ atom. The O–I bond length is 1.94 Å. In the seventeenth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and one I5+ atom. The O–I bond length is 1.82 Å. In the eighteenth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and two I5+ atoms. There are one shorter (1.83 Å) and one longer (2.59 Å) O–I bond lengths. There are six inequivalent I5+ sites. In the first I5+ site, I5+ is bonded in a 6-coordinate geometry to three O2- atoms. In the second I5+ site, I5+ is bonded in a 6-coordinate geometry to three O2- atoms. In the third I5+ site, I5+ is bonded in a 6-coordinate geometry to six O2- atoms. In the fourth I5+ site, I5+ is bonded in a distorted octahedral geometry to six O2- atoms. In the fifth I5+ site, I5+ is bonded in a 3-coordinate geometry to three O2- atoms. In the sixth I5+ site, I5+ is bonded in a 5-coordinate geometry to four O2- atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on K2H4IO5 by Materials Project

Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations

36 MATERIALS SCIENCE↗