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All sourcesNASA NTRSDOE OSTI
DOE OSTI2024

Fertilizer management for global ammonia emission reduction

Crop production is a large source of atmospheric ammonia (NH 3 ), which poses risks to air quality, human health and ecosystems. However, estimating global NH 3 emissions from croplands is subject to uncertainties because of data limitations, thereby limiting the accurate identification of mitigation options and efficacy. In this report we develop a machine learning model for generating crop-specific and spatially explicit NH 3 emission factors globally (5-arcmin resolution) based on a compiled dataset of field observations. We show that global NH 3 emissions from rice, wheat and maize fields in 2018 were 4.3 ± 1.0 Tg N yr -1 , lower than previous estimates that did not fully consider fertilizer management practices. Furthermore, spatially optimizing fertilizer management, as guided by the machine learning model, has the potential to reduce the NH3 emissions by about 38% (1.6 ± 0.4 Tg N yr -1 ) without altering total fertilizer nitrogen inputs. Specifically, we estimate potential NH3 emissions reductions of 47% (44–56%) for rice, 27% (24–28%) for maize and 26% (20–28%) for wheat cultivation, respectively. Under future climate change scenarios, we estimate that NH3 emissions could increase by 4.0 ± 2.7% under SSP1–2.6 and 5.5 ± 5.7% under SSP5–8.5 by 2030–2060. However, targeted fertilizer management has the potential to mitigate these increases.

54 ENVIRONMENTAL SCIENCES↗
DOE OSTI2020

Materials Data on CsH18RuN6(ClO2)4 by Materials Project

Cs(O2Cl)4Ru(NH3)6 crystallizes in the trigonal R-3 space group. The structure is two-dimensional and consists of three Ru(NH3)6 clusters and three Cs(O2Cl)4 sheets oriented in the (0, 0, 1) direction. In each Ru(NH3)6 cluster, Ru5+ is bonded in an octahedral geometry to six equivalent N+0.67- atoms. All Ru–N bond lengths are 2.13 Å. N+0.67- is bonded in a distorted trigonal non-coplanar geometry to one Ru5+ and three H1+ atoms. All N–H bond lengths are 1.03 Å. There are three inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one N+0.67- atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one N+0.67- atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one N+0.67- atom. In each Cs(O2Cl)4 sheet, Cs1+ is bonded in a distorted body-centered cubic geometry to six equivalent O2- and two equivalent Cl1- atoms. All Cs–O bond lengths are 3.16 Å. Both Cs–Cl bond lengths are 3.69 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one Cs1+ and one Cl1- atom. The O–Cl bond length is 1.46 Å. In the second O2- site, O2- is bonded in a single-bond geometry to one Cl1- atom. The O–Cl bond length is 1.47 Å. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a tetrahedral geometry to four O2- atoms. In the second Cl1- site, Cl1- is bonded in a distorted single-bond geometry to one Cs1+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on KH18RuN6(ClO2)4 by Materials Project

K(O2Cl)4Ru(NH3)6 crystallizes in the trigonal R-3m space group. The structure is two-dimensional and consists of three Ru(NH3)6 clusters and three K(O2Cl)4 sheets oriented in the (0, 0, 1) direction. In each Ru(NH3)6 cluster, Ru5+ is bonded in an octahedral geometry to six equivalent N+0.67- atoms. All Ru–N bond lengths are 2.12 Å. N+0.67- is bonded in a distorted trigonal non-coplanar geometry to one Ru5+ and three H1+ atoms. All N–H bond lengths are 1.03 Å. There are two inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one N+0.67- atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one N+0.67- atom. In each K(O2Cl)4 sheet, K1+ is bonded in a body-centered cubic geometry to six equivalent O2- and two equivalent Cl1- atoms. All K–O bond lengths are 2.94 Å. Both K–Cl bond lengths are 3.42 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one K1+ and one Cl1- atom. The O–Cl bond length is 1.47 Å. In the second O2- site, O2- is bonded in a single-bond geometry to one Cl1- atom. The O–Cl bond length is 1.46 Å. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a tetrahedral geometry to four O2- atoms. In the second Cl1- site, Cl1- is bonded in a distorted single-bond geometry to one K1+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on AlH18Ru(NF)6 by Materials Project

Ru(NH3)6AlF6 is Halite, Rock Salt structured and crystallizes in the cubic Pa-3 space group. The structure is zero-dimensional and consists of four AlF6 clusters and four Ru(NH3)6 clusters. In each AlF6 cluster, Al3+ is bonded in an octahedral geometry to six equivalent F1- atoms. All Al–F bond lengths are 1.84 Å. F1- is bonded in a single-bond geometry to one Al3+ atom. In each Ru(NH3)6 cluster, Ru3+ is bonded in an octahedral geometry to six equivalent N3- atoms. All Ru–N bond lengths are 2.12 Å. N3- is bonded in a distorted trigonal non-coplanar geometry to one Ru3+ and three H1+ atoms. All N–H bond lengths are 1.03 Å. There are three 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.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on RbH18RuN6(ClO2)4 by Materials Project

Rb(O2Cl)4Ru(NH3)6 crystallizes in the trigonal R-3 space group. The structure is two-dimensional and consists of three Ru(NH3)6 clusters and three Rb(O2Cl)4 sheets oriented in the (0, 0, 1) direction. In each Ru(NH3)6 cluster, Ru5+ is bonded in an octahedral geometry to six equivalent N+0.67- atoms. All Ru–N bond lengths are 2.13 Å. N+0.67- is bonded in a distorted trigonal non-coplanar geometry to one Ru5+ and three H1+ atoms. All N–H bond lengths are 1.03 Å. There are three inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one N+0.67- atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one N+0.67- atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one N+0.67- atom. In each Rb(O2Cl)4 sheet, Rb1+ is bonded in a body-centered cubic geometry to six equivalent O2- and two equivalent Cl1- atoms. All Rb–O bond lengths are 3.03 Å. Both Rb–Cl bond lengths are 3.53 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one Rb1+ and one Cl1- atom. The O–Cl bond length is 1.46 Å. In the second O2- site, O2- is bonded in a single-bond geometry to one Cl1- atom. The O–Cl bond length is 1.46 Å. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a tetrahedral geometry to four O2- atoms. In the second Cl1- site, Cl1- is bonded in a distorted single-bond geometry to one Rb1+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CrH9(CN2)3 by Materials Project

CrCr(NH3)6(CN)6 crystallizes in the trigonal R-3 space group. The structure is zero-dimensional and consists of three chromium molecules, eighteen hydrogen cyanide molecules, and three Cr(NH3)6 clusters. In each Cr(NH3)6 cluster, Cr3+ is bonded in an octahedral geometry to six equivalent N3- atoms. All Cr–N bond lengths are 2.11 Å. N3- is bonded in a distorted trigonal non-coplanar geometry to one Cr3+ and three H1+ atoms. There is two shorter (1.03 Å) and one longer (1.04 Å) N–H bond length. There are three 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.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiB3H18N5 by Materials Project

Li(NH3)4(BH)3NH3 crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of four ammonia molecules, twelve boranediylradical molecules, and four Li(NH3)4 clusters. In each Li(NH3)4 cluster, Li1+ is bonded in a tetrahedral geometry to four N+2.80- atoms. There are a spread of Li–N bond distances ranging from 2.07–2.13 Å. There are four inequivalent N+2.80- sites. In the first N+2.80- site, N+2.80- is bonded in a distorted trigonal non-coplanar geometry to one Li1+ and three H+0.89+ atoms. There is one shorter (1.02 Å) and two longer (1.03 Å) N–H bond length. In the second N+2.80- site, N+2.80- is bonded to one Li1+ and three H+0.89+ atoms to form distorted corner-sharing NLiH3 tetrahedra. There is one shorter (1.02 Å) and two longer (1.03 Å) N–H bond length. In the third N+2.80- site, N+2.80- is bonded to one Li1+ and three H+0.89+ atoms to form distorted corner-sharing NLiH3 tetrahedra. There is one shorter (1.02 Å) and two longer (1.03 Å) N–H bond length. In the fourth N+2.80- site, N+2.80- is bonded to one Li1+ and three H+0.89+ atoms to form distorted corner-sharing NLiH3 tetrahedra. There is one shorter (1.02 Å) and two longer (1.03 Å) N–H bond length. There are twelve inequivalent H+0.89+ sites. In the first H+0.89+ site, H+0.89+ is bonded in a single-bond geometry to one N+2.80- atom. In the second H+0.89+ site, H+0.89+ is bonded in a single-bond geometry to one N+2.80- atom. In the third H+0.89+ site, H+0.89+ is bonded in a single-bond geometry to one N+2.80- atom. In the fourth H+0.89+ site, H+0.89+ is bonded in a single-bond geometry to one N+2.80- atom. In the fifth H+0.89+ site, H+0.89+ is bonded in a single-bond geometry to one N+2.80- atom. In the sixth H+0.89+ site, H+0.89+ is bonded in a single-bond geometry to one N+2.80- atom. In the seventh H+0.89+ site, H+0.89+ is bonded in a single-bond geometry to one N+2.80- atom. In the eighth H+0.89+ site, H+0.89+ is bonded in a single-bond geometry to one N+2.80- atom. In the ninth H+0.89+ site, H+0.89+ is bonded in a single-bond geometry to one N+2.80- atom. In the tenth H+0.89+ site, H+0.89+ is bonded in a single-bond geometry to one N+2.80- atom. In the eleventh H+0.89+ site, H+0.89+ is bonded in a single-bond geometry to one N+2.80- atom. In the twelfth H+0.89+ site, H+0.89+ is bonded in a single-bond geometry to one N+2.80- atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on FeAg3H6(C3N4)2 by Materials Project

Fe(Ag(CN)3)2Ag(NH3)2 crystallizes in the monoclinic Cc space group. The structure is zero-dimensional and consists of four iron molecules, four Ag(CN)3 clusters, and four Ag(NH3)2 clusters. In each Ag(CN)3 cluster, there are two inequivalent Ag1+ sites. In the first Ag1+ site, Ag1+ is bonded to four N3- atoms to form edge-sharing AgN4 tetrahedra. There are a spread of Ag–N bond distances ranging from 2.15–2.50 Å. In the second Ag1+ site, Ag1+ is bonded to four N3- atoms to form distorted edge-sharing AgN4 tetrahedra. There are a spread of Ag–N bond distances ranging from 2.17–2.54 Å. There are six inequivalent C2+ sites. In the first C2+ site, C2+ is bonded in a single-bond geometry to one N3- atom. The C–N bond length is 1.18 Å. In the second C2+ site, C2+ is bonded in a single-bond geometry to one N3- atom. The C–N bond length is 1.18 Å. In the third C2+ site, C2+ is bonded in a single-bond geometry to one N3- atom. The C–N bond length is 1.18 Å. In the fourth C2+ site, C2+ is bonded in a single-bond geometry to one N3- atom. The C–N bond length is 1.18 Å. In the fifth C2+ site, C2+ is bonded in a single-bond geometry to one N3- atom. The C–N bond length is 1.18 Å. In the sixth C2+ site, C2+ is bonded in a single-bond geometry to one N3- atom. The C–N bond length is 1.18 Å. There are six inequivalent N3- sites. In the first N3- site, N3- is bonded in a 3-coordinate geometry to two Ag1+ and one C2+ atom. In the second N3- site, N3- is bonded in a 1-coordinate geometry to two Ag1+ and one C2+ atom. In the third N3- site, N3- is bonded in a distorted linear geometry to one Ag1+ and one C2+ atom. In the fourth N3- site, N3- is bonded in a distorted bent 150 degrees geometry to one Ag1+ and one C2+ atom. In the fifth N3- site, N3- is bonded in a distorted linear geometry to one Ag1+ and one C2+ atom. In the sixth N3- site, N3- is bonded in a 2-coordinate geometry to one Ag1+ and one C2+ atom. In each Ag(NH3)2 cluster, Ag1+ is bonded in a distorted linear geometry to two N3- atoms. There are one shorter (2.13 Å) and one longer (2.17 Å) Ag–N bond lengths. There are two inequivalent N3- sites. In the first N3- site, N3- is bonded in a distorted trigonal non-coplanar geometry to one Ag1+ and three H1+ atoms. All N–H bond lengths are 1.02 Å. In the second N3- site, N3- is bonded in a distorted trigonal non-coplanar geometry to one Ag1+ and three H1+ atoms. There is two shorter (1.02 Å) and one longer (1.03 Å) N–H bond length. There are six 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. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ag3H13SeN4O5 by Materials Project

Ag(NH3)2Ag2N2H3SeO3(H2O)2 crystallizes in the orthorhombic P2_12_12_1 space group. The structure is one-dimensional and consists of eight water molecules; four Ag(NH3)2 clusters; and two Ag2N2H3SeO3 ribbons oriented in the (1, 0, 0) direction. In each Ag(NH3)2 cluster, Ag1+ is bonded in a linear geometry to two N1- atoms. There are one shorter (2.14 Å) and one longer (2.16 Å) Ag–N bond lengths. There are two inequivalent N1- sites. In the first N1- site, N1- is bonded in a distorted trigonal non-coplanar geometry to one Ag1+ and three H1+ atoms. There is one shorter (1.02 Å) and two longer (1.03 Å) N–H bond length. In the second N1- site, N1- is bonded in a distorted trigonal non-coplanar geometry to one Ag1+ and three H1+ atoms. There is one shorter (1.02 Å) and two longer (1.03 Å) N–H bond length. There are six inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one N1- atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one N1- atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one N1- atom. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one N1- atom. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one N1- atom. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one N1- atom. In each Ag2N2H3SeO3 ribbon, there are two inequivalent Ag1+ sites. In the first Ag1+ site, Ag1+ is bonded in a linear geometry to two N1- atoms. There are one shorter (2.11 Å) and one longer (2.13 Å) Ag–N bond lengths. In the second Ag1+ site, Ag1+ is bonded in a linear geometry to two equivalent N1- atoms. There are one shorter (2.12 Å) and one longer (2.13 Å) Ag–N bond lengths. There are two inequivalent N1- sites. In the first N1- site, N1- is bonded to three Ag1+ and one Se2- atom to form corner-sharing NAg3Se tetrahedra. The N–Se bond length is 1.79 Å. In the second N1- site, N1- is bonded in a distorted trigonal non-coplanar geometry to one Ag1+ and three H1+ atoms. There are a spread of N–H bond distances ranging from 1.02–1.04 Å. There are three inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one N1- atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one N1- atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one N1- atom. Se2- is bonded in a tetrahedral geometry to one N1- and three O2- atoms. There is one shorter (1.68 Å) and two longer (1.69 Å) Se–O bond length. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one Se2- atom. In the second O2- site, O2- is bonded in a single-bond geometry to one Se2- atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SnH12Pt(N2Cl3)2 by Materials Project

Pt(NH3)4SnCl6 is Halite, Rock Salt structured and crystallizes in the orthorhombic Cmce space group. The structure is zero-dimensional and consists of four Pt(NH3)4 clusters and four SnCl6 clusters. In each Pt(NH3)4 cluster, Pt2+ is bonded in a square co-planar geometry to four equivalent N3- atoms. All Pt–N bond lengths are 2.07 Å. N3- is bonded in a distorted trigonal non-coplanar geometry to one Pt2+ and three H1+ atoms. All N–H bond lengths are 1.03 Å. There are three 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 each SnCl6 cluster, Sn4+ is bonded in an octahedral geometry to six Cl1- atoms. There are two shorter (2.45 Å) and four longer (2.49 Å) Sn–Cl bond lengths. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a single-bond geometry to one Sn4+ atom. In the second Cl1- site, Cl1- is bonded in a single-bond geometry to one Sn4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on H12PtN6(ClO3)2 by Materials Project

Pt(NH3)4Cl2(NO3)2 crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two nitric acid molecules and one Pt(NH3)4Cl2 cluster. In the Pt(NH3)4Cl2 cluster, Pt4+ is bonded in an octahedral geometry to four N+0.33- and two equivalent Cl1- atoms. There are two shorter (2.07 Å) and two longer (2.08 Å) Pt–N bond lengths. Both Pt–Cl bond lengths are 2.34 Å. There are two inequivalent N+0.33- sites. In the first N+0.33- site, N+0.33- is bonded in a distorted trigonal non-coplanar geometry to one Pt4+ and three H1+ atoms. There is one shorter (1.03 Å) and two longer (1.04 Å) N–H bond length. In the second N+0.33- site, N+0.33- is bonded in a distorted trigonal non-coplanar geometry to one Pt4+ and three H1+ atoms. There is two shorter (1.03 Å) and one longer (1.04 Å) N–H bond length. There are six inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one N+0.33- atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one N+0.33- atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one N+0.33- atom. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one N+0.33- atom. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one N+0.33- atom. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one N+0.33- atom. Cl1- is bonded in a single-bond geometry to one Pt4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ag2H12S(NO)4 by Materials Project

(Ag(NH3)2)2SO4 crystallizes in the tetragonal P-42_1c space group. The structure is zero-dimensional and consists of two sulfuric acid molecules and four Ag(NH3)2 clusters. In each Ag(NH3)2 cluster, Ag1+ is bonded in a linear geometry to two equivalent N1- atoms. Both Ag–N bond lengths are 2.14 Å. N1- is bonded in a distorted trigonal non-coplanar geometry to one Ag1+ and three H1+ atoms. All N–H bond lengths are 1.03 Å. There are three inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one N1- atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one N1- atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one N1- atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CrH18I7N6 by Materials Project

Cr(NH3)6(I)7 crystallizes in the monoclinic C2/m space group. The structure is zero-dimensional and consists of two Cr(NH3)6 clusters and four I clusters. In each Cr(NH3)6 cluster, Cr3+ is bonded in an octahedral geometry to six N+2.33- atoms. All Cr–N bond lengths are 2.10 Å. There are two inequivalent N+2.33- sites. In the first N+2.33- site, N+2.33- is bonded in a distorted trigonal non-coplanar geometry to one Cr3+ and three H1+ atoms. All N–H bond lengths are 1.03 Å. In the second N+2.33- site, N+2.33- is bonded in a distorted trigonal non-coplanar geometry to one Cr3+ and three H1+ atoms. All N–H bond lengths are 1.03 Å. There are five inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33- atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33- atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33- atom. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33- atom. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33- atom. In two of the I clusters, there are two inequivalent I1- sites. In the first I1- site, I1- is bonded in a 1-coordinate geometry to one I1- atom. The I–I bond length is 3.37 Å. In the second I1- site, I1- is bonded in a distorted linear geometry to two I1- atoms. The I–I bond length is 2.87 Å. In two of the I clusters, there are two inequivalent I1- sites. In the first I1- site, I1- is bonded in a linear geometry to two equivalent I1- atoms. Both I–I bond lengths are 2.94 Å. In the second I1- site, I1- is bonded in a distorted single-bond geometry to one I1- atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb4Ge9(H3N)5 by Materials Project

Rb4(NH3)5(Ge)9 crystallizes in the monoclinic P2_1/c space group. The structure is two-dimensional and consists of thirty-six germanium molecules and two Rb4(NH3)5 sheets oriented in the (0, 0, 1) direction. In each Rb4(NH3)5 sheet, there are four inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 5-coordinate geometry to four N3- and three H+0.47- atoms. There are a spread of Rb–N bond distances ranging from 3.09–3.41 Å. There are a spread of Rb–H bond distances ranging from 3.07–3.28 Å. In the second Rb1+ site, Rb1+ is bonded in a bent 150 degrees geometry to one N3- and one H+0.47- atom. The Rb–N bond length is 2.98 Å. The Rb–H bond length is 3.01 Å. In the third Rb1+ site, Rb1+ is bonded in a 1-coordinate geometry to three N3- and four H+0.47- atoms. There are one shorter (3.18 Å) and two longer (3.25 Å) Rb–N bond lengths. There are a spread of Rb–H bond distances ranging from 3.04–3.24 Å. In the fourth Rb1+ site, Rb1+ is bonded in a 3-coordinate geometry to one N3- and two H+0.47- atoms. The Rb–N bond length is 3.13 Å. There are one shorter (2.90 Å) and one longer (3.05 Å) Rb–H bond lengths. There are five inequivalent N3- sites. In the first N3- site, N3- is bonded in a trigonal non-coplanar geometry to two Rb1+ and three H+0.47- atoms. All N–H bond lengths are 1.03 Å. In the second N3- site, N3- is bonded in a trigonal non-coplanar geometry to one Rb1+ and three H+0.47- atoms. All N–H bond lengths are 1.03 Å. In the third N3- site, N3- is bonded in a trigonal non-coplanar geometry to one Rb1+ and three H+0.47- atoms. There is one shorter (1.02 Å) and two longer (1.03 Å) N–H bond length. In the fourth N3- site, N3- is bonded in a trigonal non-coplanar geometry to two Rb1+ and three H+0.47- atoms. All N–H bond lengths are 1.03 Å. In the fifth N3- site, N3- is bonded in a trigonal non-coplanar geometry to three Rb1+ and three H+0.47- atoms. There is one shorter (1.02 Å) and two longer (1.03 Å) N–H bond length. There are fifteen inequivalent H+0.47- sites. In the first H+0.47- site, H+0.47- is bonded in a single-bond geometry to one Rb1+ and one N3- atom. In the second H+0.47- site, H+0.47- is bonded in a single-bond geometry to one N3- atom. In the third H+0.47- site, H+0.47- is bonded in a single-bond geometry to one Rb1+ and one N3- atom. In the fourth H+0.47- site, H+0.47- is bonded in a single-bond geometry to one N3- atom. In the fifth H+0.47- site, H+0.47- is bonded in a single-bond geometry to one Rb1+ and one N3- atom. In the sixth H+0.47- site, H+0.47- is bonded in a single-bond geometry to one Rb1+ and one N3- atom. In the seventh H+0.47- site, H+0.47- is bonded in a single-bond geometry to one N3- atom. In the eighth H+0.47- site, H+0.47- is bonded in a single-bond geometry to one Rb1+ and one N3- atom. In the ninth H+0.47- site, H+0.47- is bonded in a single-bond geometry to two Rb1+ and one N3- atom. In the tenth H+0.47- site, H+0.47- is bonded in a single-bond geometry to one N3- atom. In the eleventh H+0.47- site, H+0.47- is bonded in a single-bond geometry to one Rb1+ and one N3- atom. In the twelfth H+0.47- site, H+0.47- is bonded in a single-bond geometry to one N3- atom. In the thirteenth H+0.47- site, H+0.47- is bonded in a single-bond geometry to one N3- atom. In the fourteenth H+0.47- site, H+0.47- is bonded in a single-bond geometry to one Rb1+ and one N3- atom. In the fifteenth H+0.47- site, H+0.47- is bonded in a single-bond geometry to one Rb1+ and one N3- atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiPH21S3N7 by Materials Project

Li(NH3)4NH4NH3PNH2S3 crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two ammonia molecules, two ammonium molecules, two Li(NH3)4 clusters, and two PNH2S3 clusters. In each Li(NH3)4 cluster, Li1+ is bonded in a tetrahedral geometry to four N3- atoms. There are a spread of Li–N bond distances ranging from 2.05–2.08 Å. There are four inequivalent N3- sites. In the first N3- site, N3- is bonded to one Li1+ and three H1+ atoms to form distorted corner-sharing NLiH3 tetrahedra. There is one shorter (1.02 Å) and two longer (1.03 Å) N–H bond length. In the second N3- site, N3- is bonded to one Li1+ and three H1+ atoms to form distorted corner-sharing NLiH3 tetrahedra. There is one shorter (1.02 Å) and two longer (1.03 Å) N–H bond length. In the third N3- site, N3- is bonded to one Li1+ and three H1+ atoms to form distorted corner-sharing NLiH3 tetrahedra. There is one shorter (1.02 Å) and two longer (1.03 Å) N–H bond length. In the fourth N3- site, N3- is bonded to one Li1+ and three H1+ atoms to form distorted corner-sharing NLiH3 tetrahedra. There is two shorter (1.02 Å) and one longer (1.03 Å) N–H bond length. There are twelve 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. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the ninth H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the tenth H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the eleventh H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the twelfth H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In each PNH2S3 cluster, P5+ is bonded in a tetrahedral geometry to one N3- and three S2- atoms. The P–N bond length is 1.71 Å. There are a spread of P–S bond distances ranging from 2.02–2.06 Å. N3- is bonded in a distorted trigonal non-coplanar geometry to one P5+ and two H1+ atoms. There is one shorter (1.02 Å) and one longer (1.03 Å) N–H bond length. There are two 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. There are three inequivalent S2- sites. In the first S2- site, S2- is bonded in a single-bond geometry to one P5+ atom. In the second S2- site, S2- is bonded in a single-bond geometry to one P5+ atom. In the third S2- site, S2- is bonded in a single-bond geometry to one P5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiTe(H3N)4 by Materials Project

Li(NH3)4Te is Silicon tetrafluoride-derived structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of one ditellurium molecule and two Li(NH3)4 clusters. In each Li(NH3)4 cluster, Li1+ is bonded in a tetrahedral geometry to four N3- atoms. There are a spread of Li–N bond distances ranging from 2.05–2.12 Å. There are four inequivalent N3- sites. In the first N3- site, N3- is bonded to one Li1+ and three H1+ atoms to form distorted corner-sharing NLiH3 tetrahedra. All N–H bond lengths are 1.03 Å. In the second N3- site, N3- is bonded to one Li1+ and three H1+ atoms to form distorted corner-sharing NLiH3 tetrahedra. There is one shorter (1.02 Å) and two longer (1.03 Å) N–H bond length. In the third N3- site, N3- is bonded to one Li1+ and three H1+ atoms to form distorted corner-sharing NLiH3 tetrahedra. All N–H bond lengths are 1.03 Å. In the fourth N3- site, N3- is bonded to one Li1+ and three H1+ atoms to form distorted corner-sharing NLiH3 tetrahedra. There is one shorter (1.02 Å) and two longer (1.03 Å) N–H bond length. There are twelve 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. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the ninth H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the tenth H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the eleventh H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the twelfth H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NiH18(I5N3)2 by Materials Project

Ni(NH3)6(I)10 crystallizes in the monoclinic P2_1/c space group. The structure is one-dimensional and consists of two Ni(NH3)6 clusters and two I ribbons oriented in the (0, 1, 0) direction. In each Ni(NH3)6 cluster, Ni2+ is bonded in an octahedral geometry to six N+1.67- atoms. There are four shorter (2.14 Å) and two longer (2.16 Å) Ni–N bond lengths. There are three inequivalent N+1.67- sites. In the first N+1.67- site, N+1.67- is bonded in a distorted trigonal non-coplanar geometry to one Ni2+ and three H1+ atoms. All N–H bond lengths are 1.02 Å. In the second N+1.67- site, N+1.67- is bonded in a distorted trigonal non-coplanar geometry to one Ni2+ and three H1+ atoms. There is two shorter (1.02 Å) and one longer (1.03 Å) N–H bond length. In the third N+1.67- site, N+1.67- is bonded in a distorted trigonal non-coplanar geometry to one Ni2+ and three H1+ atoms. All N–H bond lengths are 1.02 Å. There are eight inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one N+1.67- atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one N+1.67- atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one N+1.67- atom. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one N+1.67- atom. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one N+1.67- atom. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one N+1.67- atom. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to one N+1.67- atom. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to one N+1.67- atom. In each I ribbon, there are five inequivalent I1- sites. In the first I1- site, I1- is bonded in a 2-coordinate geometry to two I1- atoms. There are one shorter (3.07 Å) and one longer (3.25 Å) I–I bond lengths. In the second I1- site, I1- is bonded in a distorted single-bond geometry to one I1- atom. The I–I bond length is 2.87 Å. In the third I1- site, I1- is bonded in a 3-coordinate geometry to three I1- atoms. The I–I bond length is 3.60 Å. In the fourth I1- site, I1- is bonded in a distorted linear geometry to two I1- atoms. The I–I bond length is 2.82 Å. In the fifth I1- site, I1- is bonded in a 2-coordinate geometry to two I1- atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NiH18(IN)6 by Materials Project

Ni(NH3)6(I)6 crystallizes in the monoclinic C2/c space group. The structure is zero-dimensional and consists of eight I clusters and four Ni(NH3)6 clusters. In four of the I clusters, there are two inequivalent I1- sites. In the first I1- site, I1- is bonded in a linear geometry to two equivalent I1- atoms. Both I–I bond lengths are 2.97 Å. In the second I1- site, I1- is bonded in a distorted single-bond geometry to one I1- atom. In four of the I clusters, there are two inequivalent I1- sites. In the first I1- site, I1- is bonded in a linear geometry to two equivalent I1- atoms. Both I–I bond lengths are 2.96 Å. In the second I1- site, I1- is bonded in a distorted single-bond geometry to one I1- atom. In each Ni(NH3)6 cluster, Ni2+ is bonded in an octahedral geometry to six N+2.33- atoms. There are four shorter (2.13 Å) and two longer (2.14 Å) Ni–N bond lengths. There are three inequivalent N+2.33- sites. In the first N+2.33- site, N+2.33- is bonded in a distorted trigonal non-coplanar geometry to one Ni2+ and three H1+ atoms. There is one shorter (1.02 Å) and two longer (1.03 Å) N–H bond length. In the second N+2.33- site, N+2.33- is bonded in a distorted trigonal non-coplanar geometry to one Ni2+ and three H1+ atoms. There is two shorter (1.02 Å) and one longer (1.03 Å) N–H bond length. In the third N+2.33- site, N+2.33- is bonded in a distorted trigonal non-coplanar geometry to one Ni2+ and three H1+ atoms. There is one shorter (1.02 Å) and two longer (1.03 Å) N–H bond length. There are nine inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33- atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33- atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33- atom. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33- atom. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33- atom. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33- atom. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33- atom. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33- atom. In the ninth H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33- atom.

36 MATERIALS SCIENCE↗