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Materials Data on Cu(NO3)2 by Materials Project

Cu(NO3)2 crystallizes in the orthorhombic Pmn2_1 space group. The structure is three-dimensional. Cu2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Cu–O bond distances ranging from 1.97–2.40 Å. There are three inequivalent N5+ sites. In the first N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.23 Å) and two longer (1.29 Å) N–O bond length. In the second N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of N–O bond distances ranging from 1.24–1.29 Å. In the third N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.23 Å) and two longer (1.29 Å) N–O bond length. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one Cu2+ and one N5+ atom. In the second O2- site, O2- is bonded in a water-like geometry to one Cu2+ and one N5+ atom. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to one Cu2+ and one N5+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one N5+ atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to one Cu2+ and one N5+ atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to one N5+ atom. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to one Cu2+ and one N5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Cu(NO3)2 by Materials Project

Cu(NO3)2 crystallizes in the orthorhombic Pbcn space group. The structure is three-dimensional. there are two inequivalent Cu2+ sites. In the first Cu2+ site, Cu2+ is bonded in a 4-coordinate geometry to seven O2- atoms. There are a spread of Cu–O bond distances ranging from 1.97–2.70 Å. In the second Cu2+ site, Cu2+ is bonded in a square co-planar geometry to four O2- atoms. There are two shorter (1.99 Å) and two longer (2.02 Å) Cu–O bond lengths. There are three inequivalent N5+ sites. In the first N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of N–O bond distances ranging from 1.22–1.31 Å. In the second N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of N–O bond distances ranging from 1.22–1.32 Å. In the third N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of N–O bond distances ranging from 1.23–1.29 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one N5+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one N5+ atom. In the third O2- site, O2- is bonded in a water-like geometry to one Cu2+ and one N5+ atom. In the fourth O2- site, O2- is bonded in a water-like geometry to one Cu2+ and one N5+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Cu2+ and one N5+ atom. In the sixth O2- site, O2- is bonded in a distorted water-like geometry to two Cu2+ and one N5+ atom. In the seventh O2- site, O2- is bonded in a water-like geometry to one Cu2+ and one N5+ atom. In the eighth O2- site, O2- is bonded in a water-like geometry to one Cu2+ and one N5+ atom. In the ninth O2- site, O2- is bonded in a single-bond geometry to one Cu2+ and one N5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Cu(N3O2)2 by Materials Project

CuN4(NO2)2 crystallizes in the monoclinic C2/m space group. The structure is zero-dimensional and consists of four nitrous acid molecules and two CuN4 clusters. In each CuN4 cluster, Cu2+ is bonded in a square co-planar geometry to four equivalent N1+ atoms. All Cu–N bond lengths are 1.83 Å. N1+ is bonded in a single-bond geometry to one Cu2+ atom.

36 MATERIALS SCIENCE↗