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Materials Data on Cu3As4H18C8Br3(NO2)2 by Materials Project

(CH3)2Cu3C6As4H12Br3(NO2)2 crystallizes in the monoclinic C2/c space group. The structure is two-dimensional and consists of eight methane molecules and two Cu3C6As4H12Br3(NO2)2 sheets oriented in the (0, 1, 0) direction. In each Cu3C6As4H12Br3(NO2)2 sheet, there are two inequivalent Cu1+ sites. In the first Cu1+ site, Cu1+ is bonded to two equivalent As3- and two equivalent Br1- atoms to form corner-sharing CuAs2Br2 tetrahedra. Both Cu–As bond lengths are 2.38 Å. Both Cu–Br bond lengths are 2.48 Å. In the second Cu1+ site, Cu1+ is bonded to one As3-, one N3-, and two Br1- atoms to form distorted corner-sharing CuAsBr2N tetrahedra. The Cu–As bond length is 2.35 Å. The Cu–N bond length is 1.91 Å. There are one shorter (2.51 Å) and one longer (2.54 Å) Cu–Br bond lengths. There are three inequivalent C1+ sites. In the first C1+ site, C1+ is bonded in a distorted trigonal non-coplanar geometry to one As3- and three H1+ atoms. The C–As bond length is 1.96 Å. There is one shorter (1.09 Å) and two longer (1.10 Å) C–H bond length. In the second C1+ site, C1+ is bonded in a distorted trigonal non-coplanar geometry to one As3- and three H1+ atoms. The C–As bond length is 1.95 Å. There is one shorter (1.09 Å) and two longer (1.10 Å) C–H bond length. In the third C1+ site, C1+ is bonded in a single-bond geometry to one N3- atom. The C–N bond length is 1.17 Å. There are two inequivalent As3- sites. In the first As3- site, As3- is bonded in a 4-coordinate geometry to one Cu1+, one C1+, and two O2- atoms. There is one shorter (1.82 Å) and one longer (1.83 Å) As–O bond length. In the second As3- site, As3- is bonded in a 4-coordinate geometry to one Cu1+, one C1+, and two O2- atoms. There is one shorter (1.83 Å) and one longer (1.84 Å) As–O bond length. N3- is bonded in a linear geometry to one Cu1+ and one C1+ atom. There are six inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one C1+ atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one C1+ atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one C1+ atom. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one C1+ atom. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one C1+ atom. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one C1+ atom. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to two As3- atoms. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to two As3- atoms. There are two inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a bent 150 degrees geometry to two equivalent Cu1+ atoms. In the second Br1- site, Br1- is bonded in a water-like geometry to two Cu1+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Cu3As4H18C8I3(NO2)2 by Materials Project

(CH3)2Cu3C6As4H12I3(NO2)2 crystallizes in the monoclinic C2/c space group. The structure is two-dimensional and consists of eight methane molecules and two Cu3C6As4H12I3(NO2)2 sheets oriented in the (0, 1, 0) direction. In each Cu3C6As4H12I3(NO2)2 sheet, there are two inequivalent Cu1+ sites. In the first Cu1+ site, Cu1+ is bonded to two equivalent As3- and two equivalent I1- atoms to form corner-sharing CuAs2I2 tetrahedra. Both Cu–As bond lengths are 2.38 Å. Both Cu–I bond lengths are 2.62 Å. In the second Cu1+ site, Cu1+ is bonded to one As3-, one N3-, and two I1- atoms to form distorted corner-sharing CuAsI2N tetrahedra. The Cu–As bond length is 2.37 Å. The Cu–N bond length is 1.91 Å. There are one shorter (2.64 Å) and one longer (2.68 Å) Cu–I bond lengths. There are three inequivalent C1+ sites. In the first C1+ site, C1+ is bonded in a distorted trigonal non-coplanar geometry to one As3- and three H1+ atoms. The C–As bond length is 1.96 Å. All C–H bond lengths are 1.10 Å. In the second C1+ site, C1+ is bonded in a distorted trigonal non-coplanar geometry to one As3- and three H1+ atoms. The C–As bond length is 1.96 Å. There is one shorter (1.09 Å) and two longer (1.10 Å) C–H bond length. In the third C1+ site, C1+ is bonded in a single-bond geometry to one N3- atom. The C–N bond length is 1.17 Å. There are two inequivalent As3- sites. In the first As3- site, As3- is bonded in a 4-coordinate geometry to one Cu1+, one C1+, and two O2- atoms. There is one shorter (1.82 Å) and one longer (1.83 Å) As–O bond length. In the second As3- site, As3- is bonded in a 4-coordinate geometry to one Cu1+, one C1+, and two O2- atoms. Both As–O bond lengths are 1.84 Å. N3- is bonded in a linear geometry to one Cu1+ and one C1+ atom. There are six inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one C1+ atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one C1+ atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one C1+ atom. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one C1+ atom. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one C1+ atom. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one C1+ atom. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to two As3- atoms. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to two As3- atoms. There are two inequivalent I1- sites. In the first I1- site, I1- is bonded in a bent 150 degrees geometry to two equivalent Cu1+ atoms. In the second I1- site, I1- is bonded in an L-shaped geometry to two Cu1+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on K2Ag4Pd3(NO2)12 by Materials Project

(KAg2(NO2)6)2(Pd)3 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional and consists of six palladium molecules and one KAg2(NO2)6 framework. In the KAg2(NO2)6 framework, K1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.81–3.47 Å. There are two inequivalent Ag+1.50+ sites. In the first Ag+1.50+ site, Ag+1.50+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Ag–O bond distances ranging from 2.40–3.00 Å. In the second Ag+1.50+ site, Ag+1.50+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Ag–O bond distances ranging from 2.41–3.11 Å. There are six inequivalent N+2.33+ sites. In the first N+2.33+ site, N+2.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.24 Å) and one longer (1.26 Å) N–O bond length. In the second N+2.33+ site, N+2.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. Both N–O bond lengths are 1.25 Å. In the third N+2.33+ site, N+2.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.24 Å) and one longer (1.25 Å) N–O bond length. In the fourth N+2.33+ site, N+2.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. Both N–O bond lengths are 1.25 Å. In the fifth N+2.33+ site, N+2.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.24 Å) and one longer (1.26 Å) N–O bond length. In the sixth N+2.33+ site, N+2.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.24 Å) and one longer (1.26 Å) N–O bond length. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two Ag+1.50+ and one N+2.33+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ag+1.50+ and one N+2.33+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, one Ag+1.50+, and one N+2.33+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one Ag+1.50+, and one N+2.33+ atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to one K1+, one Ag+1.50+, and one N+2.33+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one Ag+1.50+, and one N+2.33+ atom. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, one Ag+1.50+, and one N+2.33+ atom. In the eighth O2- site, O2- is bonded in a single-bond geometry to one K1+, two Ag+1.50+, and one N+2.33+ atom. In the ninth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one Ag+1.50+, and one N+2.33+ atom. In the tenth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one Ag+1.50+, and one N+2.33+ atom. In the eleventh O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, one Ag+1.50+, and one N+2.33+ atom. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one Ag+1.50+, and one N+2.33+ atom.

36 MATERIALS SCIENCE↗

Materials Data on CeTl5Cu2(NO2)12 by Materials Project

(Cu)2CeTl5(NO2)12 crystallizes in the cubic Pn-3 space group. The structure is three-dimensional and consists of four copper molecules and one CeTl5(NO2)12 framework. In the CeTl5(NO2)12 framework, Ce3+ is bonded to twelve equivalent O2- atoms to form CeO12 cuboctahedra that share edges with six equivalent TlO12 cuboctahedra and faces with four equivalent TlO12 cuboctahedra. All Ce–O bond lengths are 2.83 Å. There are two inequivalent Tl1+ sites. In the first Tl1+ site, Tl1+ is bonded to twelve O2- atoms to form TlO12 cuboctahedra that share faces with two equivalent CeO12 cuboctahedra and faces with six equivalent TlO12 cuboctahedra. There are six shorter (2.81 Å) and six longer (2.89 Å) Tl–O bond lengths. In the second Tl1+ site, Tl1+ is bonded to twelve O2- atoms to form TlO12 cuboctahedra that share edges with two equivalent CeO12 cuboctahedra, edges with four equivalent TlO12 cuboctahedra, and faces with four equivalent TlO12 cuboctahedra. There are a spread of Tl–O bond distances ranging from 3.15–3.41 Å. N3+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.25 Å) and one longer (1.27 Å) N–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to three Tl1+ and one N3+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Ce3+, two Tl1+, and one N3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on KC(NO2)2 by Materials Project

K(NO2)2C crystallizes in the monoclinic C2/c space group. The structure is three-dimensional and consists of eight methane molecules and one K(NO2)2 framework. In the K(NO2)2 framework, K1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.75–3.15 Å. There are two inequivalent N+1.50+ sites. In the first N+1.50+ site, N+1.50+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.26 Å) and one longer (1.28 Å) N–O bond length. In the second N+1.50+ site, N+1.50+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.25 Å) and one longer (1.27 Å) N–O bond length. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one N+1.50+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one N+1.50+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one N+1.50+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent K1+ and one N+1.50+ atom.

36 MATERIALS SCIENCE↗

Materials Data on KC(NO2)3 by Materials Project

K(NO2)3C crystallizes in the tetragonal I-42d space group. The structure is three-dimensional and consists of eight methane molecules and one K(NO2)3 framework. In the K(NO2)3 framework, K1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.83–3.08 Å. There are two inequivalent N+2.33+ sites. In the first N+2.33+ site, N+2.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. Both N–O bond lengths are 1.25 Å. In the second N+2.33+ site, N+2.33+ is bonded in a bent 120 degrees geometry to two equivalent O2- atoms. Both N–O bond lengths are 1.26 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one N+2.33+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one N+2.33+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one N+2.33+ atom.

36 MATERIALS SCIENCE↗

Materials Data on K4Ru(NO2)6 by Materials Project

Ru(K2(NO2)3)2 crystallizes in the trigonal R-3 space group. The structure is three-dimensional and consists of three rutenio molecules and one K2(NO2)3 framework. In the K2(NO2)3 framework, 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 2.85–3.25 Å. In the second K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are three shorter (2.89 Å) and six longer (2.90 Å) K–O bond lengths. N+2.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. Both N–O bond lengths are 1.27 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to three K1+ and one N+2.33+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to three K1+ and one N+2.33+ atom.

36 MATERIALS SCIENCE↗

Materials Data on KC(NO2)3 by Materials Project

K(NO2)3C crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional and consists of four methane molecules and one K(NO2)3 framework. In the K(NO2)3 framework, K1+ is bonded in a 11-coordinate geometry to eleven O2- atoms. There are a spread of K–O bond distances ranging from 2.88–3.27 Å. There are three inequivalent N+2.33+ sites. In the first N+2.33+ site, N+2.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.25 Å) and one longer (1.26 Å) N–O bond length. In the second N+2.33+ site, N+2.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. Both N–O bond lengths are 1.26 Å. In the third N+2.33+ site, N+2.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. Both N–O bond lengths are 1.25 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one K1+ and one N+2.33+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one N+2.33+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one N+2.33+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one N+2.33+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one N+2.33+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one N+2.33+ atom.

36 MATERIALS SCIENCE↗

Materials Data on K2Ag4Pt3(NO2)12 by Materials Project

(KAg2(NO2)6)2(Pt)3 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional and consists of six platinum molecules and one KAg2(NO2)6 framework. In the KAg2(NO2)6 framework, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.82–3.26 Å. There are two inequivalent Ag2+ sites. In the first Ag2+ site, Ag2+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Ag–O bond distances ranging from 2.41–2.59 Å. In the second Ag2+ site, Ag2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ag–O bond distances ranging from 2.44–2.94 Å. There are six inequivalent N+1.67+ sites. In the first N+1.67+ site, N+1.67+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.24 Å) and one longer (1.25 Å) N–O bond length. In the second N+1.67+ site, N+1.67+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.24 Å) and one longer (1.26 Å) N–O bond length. In the third N+1.67+ site, N+1.67+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.25 Å) and one longer (1.26 Å) N–O bond length. In the fourth N+1.67+ site, N+1.67+ is bonded in a bent 120 degrees geometry to two O2- atoms. Both N–O bond lengths are 1.25 Å. In the fifth N+1.67+ site, N+1.67+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.24 Å) and one longer (1.26 Å) N–O bond length. In the sixth N+1.67+ site, N+1.67+ is bonded in a bent 120 degrees geometry to two O2- atoms. Both N–O bond lengths are 1.25 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one Ag2+, and one N+1.67+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one Ag2+, and one N+1.67+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to one Ag2+ and one N+1.67+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one K1+, one Ag2+, and one N+1.67+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ag2+ and one N+1.67+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one N+1.67+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one Ag2+, and one N+1.67+ atom. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, one Ag2+, and one N+1.67+ atom. In the ninth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one Ag2+, and one N+1.67+ atom. In the tenth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, one Ag2+, and one N+1.67+ atom. In the eleventh O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, one Ag2+, and one N+1.67+ atom. In the twelfth O2- site, O2- is bonded in a single-bond geometry to one N+1.67+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Rb2Ag4Pd3(NO2)12 by Materials Project

(RbAg2(NO2)6)2(Pd)3 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional and consists of six palladium molecules and one RbAg2(NO2)6 framework. In the RbAg2(NO2)6 framework, Rb1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Rb–O bond distances ranging from 2.92–3.36 Å. There are two inequivalent Ag+1.50+ sites. In the first Ag+1.50+ site, Ag+1.50+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Ag–O bond distances ranging from 2.41–2.52 Å. In the second Ag+1.50+ site, Ag+1.50+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Ag–O bond distances ranging from 2.41–2.61 Å. There are six inequivalent N+2.33+ sites. In the first N+2.33+ site, N+2.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.24 Å) and one longer (1.25 Å) N–O bond length. In the second N+2.33+ site, N+2.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.24 Å) and one longer (1.25 Å) N–O bond length. In the third N+2.33+ site, N+2.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.24 Å) and one longer (1.26 Å) N–O bond length. In the fourth N+2.33+ site, N+2.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.24 Å) and one longer (1.26 Å) N–O bond length. In the fifth N+2.33+ site, N+2.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. Both N–O bond lengths are 1.25 Å. In the sixth N+2.33+ site, N+2.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. Both N–O bond lengths are 1.25 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one Rb1+ and one N+2.33+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Rb1+, one Ag+1.50+, and one N+2.33+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to one Rb1+, one Ag+1.50+, and one N+2.33+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one Rb1+ and one N+2.33+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to one Rb1+, one Ag+1.50+, and one N+2.33+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to one Rb1+ and one N+2.33+ atom. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to one Ag+1.50+ and one N+2.33+ atom. In the eighth O2- site, O2- is bonded in a single-bond geometry to one Rb1+ and one N+2.33+ atom. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ag+1.50+ and one N+2.33+ atom. In the tenth O2- site, O2- is bonded in a 1-coordinate geometry to one Rb1+, one Ag+1.50+, and one N+2.33+ atom. In the eleventh O2- site, O2- is bonded in a distorted single-bond geometry to one Rb1+, one Ag+1.50+, and one N+2.33+ atom. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to one Rb1+, one Ag+1.50+, and one N+2.33+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Na2Pd(NO2)4 by Materials Project

(Na(NO2)2)2Pd crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional and consists of four palladium molecules and one Na(NO2)2 framework. In the Na(NO2)2 framework, there are two inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Na–O bond distances ranging from 2.42–2.79 Å. In the second Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.44–3.01 Å. There are four inequivalent N3+ sites. In the first N3+ site, N3+ is bonded in a distorted bent 120 degrees geometry to two O2- atoms. Both N–O bond lengths are 1.25 Å. In the second N3+ site, N3+ is bonded in a distorted bent 120 degrees geometry to two O2- atoms. Both N–O bond lengths are 1.25 Å. In the third N3+ site, N3+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.25 Å) and one longer (1.26 Å) N–O bond length. In the fourth N3+ site, N3+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.25 Å) and one longer (1.26 Å) N–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Na1+ and one N3+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two Na1+ and one N3+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Na1+ and one N3+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two Na1+ and one N3+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to two Na1+ and one N3+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to two Na1+ and one N3+ atom. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to two Na1+ and one N3+ atom. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+ and one N3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Rb5CeCu2(NO2)12 by Materials Project

Rb5Ce(NO2)12(Cu)2 crystallizes in the cubic Pn-3 space group. The structure is three-dimensional and consists of four copper molecules and one Rb5Ce(NO2)12 framework. In the Rb5Ce(NO2)12 framework, there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded to twelve O2- atoms to form RbO12 cuboctahedra that share faces with two equivalent CeO12 cuboctahedra and faces with six equivalent RbO12 cuboctahedra. There are six shorter (2.90 Å) and six longer (2.99 Å) Rb–O bond lengths. In the second Rb1+ site, Rb1+ is bonded to twelve O2- atoms to form distorted RbO12 cuboctahedra that share edges with two equivalent CeO12 cuboctahedra, edges with four equivalent RbO12 cuboctahedra, and faces with four equivalent RbO12 cuboctahedra. There are a spread of Rb–O bond distances ranging from 3.23–3.56 Å. Ce3+ is bonded to twelve equivalent O2- atoms to form CeO12 cuboctahedra that share edges with six equivalent RbO12 cuboctahedra and faces with four equivalent RbO12 cuboctahedra. All Ce–O bond lengths are 2.82 Å. N3+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.25 Å) and one longer (1.27 Å) N–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to three Rb1+ and one N3+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two Rb1+, one Ce3+, and one N3+ atom.

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Materials Data on Cs5CeCu2(NO2)12 by Materials Project

Cs5Ce(NO2)12(Cu)2 crystallizes in the cubic Pn-3 space group. The structure is three-dimensional and consists of four copper molecules and one Cs5Ce(NO2)12 framework. In the Cs5Ce(NO2)12 framework, there are two inequivalent Cs1+ sites. In the first Cs1+ site, Cs1+ is bonded to twelve O2- atoms to form CsO12 cuboctahedra that share edges with six equivalent CsO8 cuboctahedra and faces with two equivalent CeO12 cuboctahedra. There are six shorter (3.06 Å) and six longer (3.11 Å) Cs–O bond lengths. In the second Cs1+ site, Cs1+ is bonded to eight equivalent O2- atoms to form distorted edge-sharing CsO8 cuboctahedra. There are four shorter (3.37 Å) and four longer (3.38 Å) Cs–O bond lengths. Ce3+ is bonded to twelve equivalent O2- atoms to form CeO12 cuboctahedra that share faces with four equivalent CsO12 cuboctahedra. All Ce–O bond lengths are 2.86 Å. N3+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.25 Å) and one longer (1.27 Å) N–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to three Cs1+ and one N3+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Cs1+, one Ce3+, and one N3+ atom.

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Materials Data on K2CuPb(NO2)6 by Materials Project

K2PbCu(NO2)6 crystallizes in the cubic F23 space group. The structure is three-dimensional and consists of four copper molecules and one K2Pb(NO2)6 framework. In the K2Pb(NO2)6 framework, there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded to twelve equivalent O2- atoms to form edge-sharing KO12 cuboctahedra. All K–O bond lengths are 2.92 Å. In the second K1+ site, K1+ is bonded to twelve equivalent O2- atoms to form edge-sharing KO12 cuboctahedra. All K–O bond lengths are 3.21 Å. Pb2+ is bonded in a distorted q6 geometry to twelve equivalent O2- atoms. All Pb–O bond lengths are 2.72 Å. N3+ is bonded in a bent 120 degrees geometry to two equivalent O2- atoms. Both N–O bond lengths are 1.26 Å. O2- is bonded in a distorted single-bond geometry to two K1+, one Pb2+, and one N3+ atom.

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Materials Data on K2Pd(NO2)4 by Materials Project

(K(NO2)2)2Pd crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional and consists of four palladium molecules and one K(NO2)2 framework. In the K(NO2)2 framework, 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 2.82–3.12 Å. In the second 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 2.73–3.34 Å. There are four inequivalent N3+ sites. In the first N3+ site, N3+ is bonded in a bent 120 degrees geometry to two O2- atoms. Both N–O bond lengths are 1.25 Å. In the second N3+ site, N3+ is bonded in a distorted bent 120 degrees geometry to two O2- atoms. There is one shorter (1.25 Å) and one longer (1.26 Å) N–O bond length. In the third N3+ site, N3+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.25 Å) and one longer (1.26 Å) N–O bond length. In the fourth N3+ site, N3+ is bonded in a distorted bent 120 degrees geometry to two O2- atoms. There is one shorter (1.25 Å) and one longer (1.26 Å) N–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to three K1+ and one N3+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one N3+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to two K1+ and one N3+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent K1+ and one N3+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one N3+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one N3+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one N3+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one N3+ atom.

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Materials Data on K2Pt(NO2)4 by Materials Project

K2Pt(NO2)4 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional and consists of four platinum molecules and one K(NO2)2 framework. In the K(NO2)2 framework, 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 2.81–3.28 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 2.74–3.28 Å. There are four inequivalent N3+ sites. In the first N3+ site, N3+ is bonded in a bent 120 degrees geometry to two O2- atoms. Both N–O bond lengths are 1.25 Å. In the second N3+ site, N3+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.25 Å) and one longer (1.26 Å) N–O bond length. In the third N3+ site, N3+ is bonded in a bent 120 degrees geometry to two O2- atoms. Both N–O bond lengths are 1.25 Å. In the fourth N3+ site, N3+ is bonded in a bent 120 degrees geometry to two O2- atoms. Both N–O bond lengths are 1.25 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to three K1+ and one N3+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one N3+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to two K1+ and one N3+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent K1+ and one N3+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one N3+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent K1+ and one N3+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one N3+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one N3+ atom.

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Materials Data on K2Pt(NO2)4 by Materials Project

K2Pt(NO2)4 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional and consists of four platinum molecules and one K(NO2)2 framework. In the K(NO2)2 framework, there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of K–O bond distances ranging from 2.65–3.35 Å. In the second K1+ site, K1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of K–O bond distances ranging from 2.75–3.27 Å. There are four inequivalent N3+ sites. In the first N3+ site, N3+ is bonded in a bent 120 degrees geometry to two O2- atoms. Both N–O bond lengths are 1.25 Å. In the second N3+ site, N3+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.25 Å) and one longer (1.26 Å) N–O bond length. In the third N3+ site, N3+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.25 Å) and one longer (1.26 Å) N–O bond length. In the fourth N3+ site, N3+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.25 Å) and one longer (1.26 Å) N–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to two K1+ and one N3+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+ and one N3+ atom. In the third O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two equivalent K1+ and one N3+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two K1+ and one N3+ atom. In the fifth O2- site, O2- is bonded in a distorted water-like geometry to one K1+ and one N3+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one N3+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one N3+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one N3+ atom.

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Materials Data on KC(NO2)3 by Materials Project

K(NO2)3C crystallizes in the tetragonal I4_1md space group. The structure is three-dimensional and consists of eight methane molecules and one K(NO2)3 framework. In the K(NO2)3 framework, K1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of K–O bond distances ranging from 2.82–3.22 Å. There are two inequivalent N+2.33+ sites. In the first N+2.33+ site, N+2.33+ is bonded in a distorted bent 120 degrees geometry to two O2- atoms. There is one shorter (1.25 Å) and one longer (1.26 Å) N–O bond length. In the second N+2.33+ site, N+2.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.24 Å) and one longer (1.25 Å) N–O bond length. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one N+2.33+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one N+2.33+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one K1+ and one N+2.33+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one N+2.33+ atom.

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