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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on UH12C4N4O11 by Materials Project

UNO5N(CH3)4(NO3)2 crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of eight nitric acid molecules, four tetramethylammonium molecules, and four UNO5 clusters. In each UNO5 cluster, U6+ is bonded in a distorted linear geometry to four O2- atoms. There are a spread of U–O bond distances ranging from 1.80–2.49 Å. N3- is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of N–O bond distances ranging from 1.22–1.30 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one U6+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one U6+ and one N3- atom. In the third O2- site, O2- is bonded in a distorted L-shaped geometry to one U6+ and one N3- atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one U6+ atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to one N3- atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on UH16C4(NO3)4 by Materials Project

UO2(NH4)3(CO2)4NH2OH2O crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of twelve ammonium molecules; sixteen formic acid molecules; four hydroxylamine molecules; four pitchblend, uranium(iv) oxide, uranium(iv) dioxide, uranium dioxide molecules; and four water molecules.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on UH16C4(NO3)2 by Materials Project

UC4H16(NO3)2 crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of two UC4H16(NO3)2 clusters. U4+ is bonded in a distorted linear geometry to four O2- atoms. There are two shorter (1.85 Å) and two longer (2.32 Å) U–O bond lengths. There are two inequivalent C+0.50- sites. In the first C+0.50- site, C+0.50- is bonded to one N3- and three H1+ atoms to form corner-sharing CH3N tetrahedra. The C–N bond length is 1.47 Å. There is one shorter (1.09 Å) and two longer (1.10 Å) C–H bond length. In the second C+0.50- site, C+0.50- is bonded to one N3- and three H1+ atoms to form corner-sharing CH3N tetrahedra. The C–N bond length is 1.47 Å. There is one shorter (1.09 Å) and two longer (1.10 Å) C–H bond length. N3- is bonded in a distorted trigonal non-coplanar geometry to two C+0.50- and one O2- atom. The N–O bond length is 1.41 Å. There are eight 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 0.99 Å. In the second H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.74 Å) H–O bond length. In the third H1+ site, H1+ is bonded in a single-bond geometry to one C+0.50- atom. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one C+0.50- atom. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one C+0.50- atom. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one C+0.50- atom. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to one C+0.50- atom. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to one C+0.50- atom. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one U4+ atom. In the second O2- site, O2- is bonded in a water-like geometry to two H1+ atoms. In the third O2- site, O2- is bonded in a 1-coordinate geometry to one U4+, one N3-, and one H1+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on UH18C7(N2O3)4 by Materials Project

UC5N2H4O11(CN3H6)2H2O crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of four guanidinium molecules, two water molecules, and two UC5N2H4O11 clusters. In each UC5N2H4O11 cluster, U4+ is bonded in a distorted pentagonal bipyramidal geometry to seven O2- atoms. There are a spread of U–O bond distances ranging from 1.82–2.43 Å. There are five inequivalent C+3.71+ sites. In the first C+3.71+ site, C+3.71+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.24 Å) and one longer (1.30 Å) C–O bond length. In the second C+3.71+ site, C+3.71+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.25 Å) and one longer (1.29 Å) C–O bond length. In the third C+3.71+ site, C+3.71+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.25 Å) and one longer (1.29 Å) C–O bond length. In the fourth C+3.71+ site, C+3.71+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.24 Å) and one longer (1.30 Å) C–O bond length. In the fifth C+3.71+ site, C+3.71+ is bonded in a trigonal planar geometry to two N3- and one O2- atom. Both C–N bond lengths are 1.34 Å. The C–O bond length is 1.29 Å. There are two inequivalent N3- sites. In the first N3- site, N3- is bonded in a trigonal planar geometry to one C+3.71+ and two H1+ atoms. There is one shorter (1.02 Å) and one longer (1.03 Å) N–H bond length. In the second N3- site, N3- is bonded in a trigonal planar geometry to one C+3.71+ and two H1+ atoms. Both N–H bond lengths are 1.02 Å. There are four inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. There are eleven inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one U4+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one U4+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one U4+ and one C+3.71+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one U4+ and one C+3.71+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one U4+ and one C+3.71+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to one U4+ and one C+3.71+ atom. In the seventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one U4+ and one C+3.71+ atom. In the eighth O2- site, O2- is bonded in a single-bond geometry to one C+3.71+ atom. In the ninth O2- site, O2- is bonded in a single-bond geometry to one C+3.71+ atom. In the tenth O2- site, O2- is bonded in a single-bond geometry to one C+3.71+ atom. In the eleventh O2- site, O2- is bonded in a single-bond geometry to one C+3.71+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on UH18C4N10O13 by Materials Project

UC4N8H18O7(NO3)2 crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of eight nitric acid molecules and four UC4N8H18O7 clusters. In each UC4N8H18O7 cluster, U6+ is bonded in a distorted pentagonal bipyramidal geometry to seven O2- atoms. There are a spread of U–O bond distances ranging from 1.81–2.50 Å. There are four inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a trigonal planar geometry to two N+1.40- and one O2- atom. Both C–N bond lengths are 1.34 Å. The C–O bond length is 1.29 Å. In the second C4+ site, C4+ is bonded in a trigonal planar geometry to two N+1.40- and one O2- atom. Both C–N bond lengths are 1.34 Å. The C–O bond length is 1.28 Å. In the third C4+ site, C4+ is bonded in a trigonal planar geometry to two N+1.40- and one O2- atom. There is one shorter (1.34 Å) and one longer (1.35 Å) C–N bond length. The C–O bond length is 1.28 Å. In the fourth C4+ site, C4+ is bonded in a trigonal planar geometry to two N+1.40- and one O2- atom. Both C–N bond lengths are 1.34 Å. The C–O bond length is 1.28 Å. There are eight inequivalent N+1.40- sites. In the first N+1.40- site, N+1.40- is bonded in a trigonal planar geometry to one C4+ and two H1+ atoms. There is one shorter (1.01 Å) and one longer (1.02 Å) N–H bond length. In the second N+1.40- site, N+1.40- is bonded in a trigonal planar geometry to one C4+ and two H1+ atoms. There is one shorter (1.01 Å) and one longer (1.02 Å) N–H bond length. In the third N+1.40- site, N+1.40- is bonded in a trigonal planar geometry to one C4+ and two H1+ atoms. Both N–H bond lengths are 1.02 Å. In the fourth N+1.40- site, N+1.40- is bonded in a trigonal planar geometry to one C4+ and two H1+ atoms. Both N–H bond lengths are 1.02 Å. In the fifth N+1.40- site, N+1.40- is bonded in a trigonal planar geometry to one C4+ and two H1+ atoms. Both N–H bond lengths are 1.02 Å. In the sixth N+1.40- site, N+1.40- is bonded in a trigonal planar geometry to one C4+ and two H1+ atoms. Both N–H bond lengths are 1.02 Å. In the seventh N+1.40- site, N+1.40- is bonded in a trigonal planar geometry to one C4+ and two H1+ atoms. There is one shorter (1.01 Å) and one longer (1.02 Å) N–H bond length. In the eighth N+1.40- site, N+1.40- is bonded in a trigonal planar geometry to one C4+ and two H1+ atoms. There is one shorter (1.01 Å) and one longer (1.03 Å) N–H bond length. There are eighteen inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one N+1.40- atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one N+1.40- atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one N+1.40- atom. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one N+1.40- atom. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one N+1.40- atom. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one N+1.40- atom. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to one N+1.40- atom. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to one N+1.40- atom. In the ninth H1+ site, H1+ is bonded in a single-bond geometry to one N+1.40- atom. In the tenth H1+ site, H1+ is bonded in a single-bond geometry to one N+1.40- atom. In the eleventh H1+ site, H1+ is bonded in a single-bond geometry to one N+1.40- atom. In the twelfth H1+ site, H1+ is bonded in a single-bond geometry to one N+1.40- atom. In the thirteenth H1+ site, H1+ is bonded in a single-bond geometry to one N+1.40- atom. In the fourteenth H1+ site, H1+ is bonded in a single-bond geometry to one N+1.40- atom. In the fifteenth H1+ site, H1+ is bonded in a single-bond geometry to one N+1.40- atom. In the sixteenth H1+ site, H1+ is bonded in a single-bond geometry to one N+1.40- atom. In the seventeenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the eighteenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one U6+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one U6+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to one U6+ and one C4+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one U6+ and one C4+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to one U6+ and one C4+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one U6+ and one C4+ atom. In the seventh O2- site, O2- is bonded in a distorted water-like geometry to one U6+ and two H1+ atoms.

36 MATERIALS SCIENCE↗