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DOE OSTI2020

Materials Data on K5(CN2)3 by Materials Project

K5(CN2)3 crystallizes in the cubic Im-3m space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded to six equivalent N+2.83- atoms to form face-sharing KN6 octahedra. All K–N bond lengths are 2.80 Å. In the second K1+ site, K1+ is bonded to six equivalent N+2.83- atoms to form a mixture of edge, corner, and face-sharing KN6 octahedra. The corner-sharing octahedral tilt angles are 30°. All K–N bond lengths are 2.96 Å. C4+ is bonded in a linear geometry to two equivalent N+2.83- atoms. Both C–N bond lengths are 1.24 Å. N+2.83- is bonded in a 1-coordinate geometry to five K1+ and one C4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tm2(CN2)3 by Materials Project

Tm2(CN2)3 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Tm3+ is bonded in a 7-coordinate geometry to seven N3- atoms. There are a spread of Tm–N bond distances ranging from 2.31–2.49 Å. There are two inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a linear geometry to two N3- atoms. There is one shorter (1.22 Å) and one longer (1.25 Å) C–N bond length. In the second C4+ site, C4+ is bonded in a linear geometry to two equivalent N3- atoms. Both C–N bond lengths are 1.23 Å. There are three inequivalent N3- sites. In the first N3- site, N3- is bonded in a 3-coordinate geometry to two equivalent Tm3+ and one C4+ atom. In the second N3- site, N3- is bonded to three equivalent Tm3+ and one C4+ atom to form a mixture of distorted edge and corner-sharing NTm3C tetrahedra. In the third N3- site, N3- is bonded in a 3-coordinate geometry to two equivalent Tm3+ and one C4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sc2(CN2)3 by Materials Project

Sc2(CN2)3 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Sc3+ is bonded to six equivalent N3- atoms to form distorted edge-sharing ScN6 octahedra. There are three shorter (2.19 Å) and three longer (2.25 Å) Sc–N bond lengths. C4+ is bonded in a linear geometry to two equivalent N3- atoms. Both C–N bond lengths are 1.23 Å. N3- is bonded in a distorted trigonal planar geometry to two equivalent Sc3+ and one C4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CN2 by Materials Project

CN2 crystallizes in the orthorhombic Cmc2_1 space group. The structure is three-dimensional. C4+ is bonded to four N2- atoms to form corner-sharing CN4 tetrahedra. There are a spread of C–N bond distances ranging from 1.45–1.52 Å. There are two inequivalent N2- sites. In the first N2- site, N2- is bonded in a 3-coordinate geometry to two equivalent C4+ and one N2- atom. The N–N bond length is 1.35 Å. In the second N2- site, N2- is bonded in a distorted trigonal planar geometry to two equivalent C4+ and one N2- atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na5(CN2)3 by Materials Project

Na5(CN2)3 crystallizes in the cubic Im-3m space group. The structure is three-dimensional. there are two inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded to six equivalent N+2.83- atoms to form face-sharing NaN6 octahedra. All Na–N bond lengths are 2.39 Å. In the second Na1+ site, Na1+ is bonded to six equivalent N+2.83- atoms to form a mixture of edge, face, and corner-sharing NaN6 octahedra. The corner-sharing octahedral tilt angles are 25°. All Na–N bond lengths are 2.63 Å. C4+ is bonded in a linear geometry to two equivalent N+2.83- atoms. Both C–N bond lengths are 1.24 Å. N+2.83- is bonded in a 6-coordinate geometry to five Na1+ and one C4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ce2(CN2)3 by Materials Project

Ce2(CN2)3 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Ce3+ is bonded in a 7-coordinate geometry to seven N3- atoms. There are a spread of Ce–N bond distances ranging from 2.45–2.64 Å. There are two inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a linear geometry to two N3- atoms. There is one shorter (1.22 Å) and one longer (1.25 Å) C–N bond length. In the second C4+ site, C4+ is bonded in a linear geometry to two equivalent N3- atoms. Both C–N bond lengths are 1.24 Å. There are three inequivalent N3- sites. In the first N3- site, N3- is bonded to three equivalent Ce3+ and one C4+ atom to form a mixture of distorted edge and corner-sharing NCe3C tetrahedra. In the second N3- site, N3- is bonded in a distorted trigonal planar geometry to two equivalent Ce3+ and one C4+ atom. In the third N3- site, N3- is bonded in a 3-coordinate geometry to two equivalent Ce3+ and one C4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on In2(CN2)3 by Materials Project

In2(CN2)3 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. In3+ is bonded to six equivalent N3- atoms to form distorted edge-sharing InN6 octahedra. There are three shorter (2.24 Å) and three longer (2.30 Å) In–N bond lengths. C4+ is bonded in a linear geometry to two equivalent N3- atoms. Both C–N bond lengths are 1.23 Å. N3- is bonded in a distorted trigonal planar geometry to two equivalent In3+ and one C4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cr2(CN2)3 by Materials Project

Cr2(CN2)3 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Cr3+ is bonded to six equivalent N3- atoms to form edge-sharing CrN6 octahedra. There are three shorter (2.03 Å) and three longer (2.10 Å) Cr–N bond lengths. C4+ is bonded in a linear geometry to two equivalent N3- atoms. Both C–N bond lengths are 1.23 Å. N3- is bonded in a distorted trigonal planar geometry to two equivalent Cr3+ and one C4+ atom.

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DOE OSTI2020

Materials Data on LiAl(CN2)2 by Materials Project

LiAl(CN2)2 crystallizes in the orthorhombic Pbcn space group. The structure is three-dimensional. Li1+ is bonded to six N3- atoms to form LiN6 octahedra that share edges with two equivalent LiN6 octahedra and edges with four equivalent AlN6 octahedra. There are a spread of Li–N bond distances ranging from 2.28–2.34 Å. Al3+ is bonded to six N3- atoms to form AlN6 octahedra that share edges with two equivalent AlN6 octahedra and edges with four equivalent LiN6 octahedra. There are a spread of Al–N bond distances ranging from 2.00–2.05 Å. C4+ is bonded in a linear geometry to two N3- atoms. There is one shorter (1.21 Å) and one longer (1.25 Å) C–N bond length. There are two inequivalent N3- sites. In the first N3- site, N3- is bonded in a distorted rectangular see-saw-like geometry to two equivalent Li1+, one Al3+, and one C4+ atom. In the second N3- site, N3- is bonded to one Li1+, two equivalent Al3+, and one C4+ atom to form a mixture of distorted corner and edge-sharing NLiAl2C trigonal pyramids.

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Materials Data on CN2 by Materials Project

CN2 crystallizes in the tetragonal I-42d space group. The structure is three-dimensional. C4+ is bonded to four equivalent N2- atoms to form corner-sharing CN4 tetrahedra. All C–N bond lengths are 1.48 Å. N2- is bonded in a distorted trigonal planar geometry to two equivalent C4+ and one N2- atom. The N–N bond length is 1.36 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba2LiAl(CN2)4 by Materials Project

LiBa2Al(CN2)4 crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional. Li1+ is bonded in a tetrahedral geometry to four N3- atoms. There are a spread of Li–N bond distances ranging from 2.07–2.14 Å. There are two inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to eight N3- atoms. There are a spread of Ba–N bond distances ranging from 2.92–2.99 Å. In the second Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to eight N3- atoms. There are a spread of Ba–N bond distances ranging from 2.83–3.13 Å. Al3+ is bonded in a tetrahedral geometry to four N3- atoms. There is two shorter (1.85 Å) and two longer (1.86 Å) Al–N bond length. There are four inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a linear geometry to two N3- atoms. There is one shorter (1.22 Å) and one longer (1.26 Å) C–N bond length. In the second C4+ site, C4+ is bonded in a linear geometry to two N3- atoms. There is one shorter (1.21 Å) and one longer (1.26 Å) C–N bond length. In the third C4+ site, C4+ is bonded in a linear geometry to two N3- atoms. There is one shorter (1.22 Å) and one longer (1.26 Å) C–N bond length. In the fourth C4+ site, C4+ is bonded in a linear geometry to two N3- atoms. There is one shorter (1.22 Å) and one longer (1.26 Å) C–N bond length. There are eight inequivalent N3- sites. In the first N3- site, N3- is bonded in a 2-coordinate geometry to two equivalent Ba2+, one Al3+, and one C4+ atom. In the second N3- site, N3- is bonded in a distorted bent 120 degrees geometry to two Ba2+, one Al3+, and one C4+ atom. In the third N3- site, N3- is bonded in a distorted bent 120 degrees geometry to two Ba2+, one Al3+, and one C4+ atom. In the fourth N3- site, N3- is bonded in a distorted bent 120 degrees geometry to two Ba2+, one Al3+, and one C4+ atom. In the fifth N3- site, N3- is bonded in a 4-coordinate geometry to one Li1+, two Ba2+, and one C4+ atom. In the sixth N3- site, N3- is bonded in a 2-coordinate geometry to one Li1+, two equivalent Ba2+, and one C4+ atom. In the seventh N3- site, N3- is bonded in a 2-coordinate geometry to one Li1+, two Ba2+, and one C4+ atom. In the eighth N3- site, N3- is bonded in a 2-coordinate geometry to one Li1+, two Ba2+, and one C4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CoH9(CN2)3 by Materials Project

CoCo(NH3)6(CN)6 crystallizes in the trigonal R-3 space group. The structure is zero-dimensional and consists of three azane;cobalt molecules, three cobalt molecules, and eighteen hydrogen cyanide molecules.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CrCoH18(CN2)6 by Materials Project

CrCo(NH3)6(CN)6 crystallizes in the trigonal R-3 space group. The structure is zero-dimensional and consists of three azane;cobalt molecules, three chrom molecules, and eighteen hydrogen cyanide molecules.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Si(CN2)2 by Materials Project

SiC2N4 crystallizes in the cubic Pn-3m space group. The structure is three-dimensional. Si4+ is bonded in a tetrahedral geometry to four equivalent N3- atoms. All Si–N bond lengths are 1.69 Å. C4+ is bonded in a linear geometry to two equivalent N3- atoms. Both C–N bond lengths are 1.21 Å. N3- is bonded in a linear geometry to one Si4+ and one C4+ 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 CrH9(CN2)3 by Materials Project

CrC2N3H4CNH3N2H2 crystallizes in the triclinic P-1 space group. The structure is one-dimensional and consists of two hydrogen molecules; two methylamine molecules; two nitrogen molecules; and one CrC2N3H4 ribbon oriented in the (1, 0, 0) direction. In the CrC2N3H4 ribbon, there are two inequivalent Cr3+ sites. In the first Cr3+ site, Cr3+ is bonded in a distorted hexagonal bipyramidal geometry to two equivalent C2+, four N3-, and two equivalent H1+ atoms. Both Cr–C bond lengths are 2.01 Å. There are two shorter (2.16 Å) and two longer (2.18 Å) Cr–N bond lengths. Both Cr–H bond lengths are 1.81 Å. In the second Cr3+ site, Cr3+ is bonded in a distorted square co-planar geometry to two equivalent N3- and two equivalent H1+ atoms. Both Cr–N bond lengths are 1.87 Å. Both Cr–H bond lengths are 1.84 Å. There are two inequivalent C2+ sites. In the first C2+ site, C2+ is bonded in a distorted single-bond geometry to one Cr3+ and one N3- atom. The C–N bond length is 1.18 Å. In the second C2+ site, C2+ is bonded in a tetrahedral geometry to one N3- and three H1+ atoms. The C–N bond length is 1.41 Å. All C–H bond lengths are 1.10 Å. There are three inequivalent N3- sites. In the first N3- site, N3- is bonded in a distorted T-shaped geometry to two Cr3+ and one N3- atom. The N–N bond length is 1.19 Å. In the second N3- site, N3- is bonded in a 2-coordinate geometry to one Cr3+ and one N3- atom. In the third N3- site, N3- is bonded in a linear geometry to two C2+ atoms. There are four inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a water-like geometry to two Cr3+ atoms. In the second H1+ site, H1+ is bonded in a single-bond geometry to one C2+ atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one C2+ atom. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one C2+ atom.

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