DOI: 10.17188/1746381
title: Materials Data on HC2N3 by Materials Project

description: C2N3H crystallizes in the monoclinic P2/m space group. The structure is one-dimensional and consists of two C2N3H ribbons oriented in the (1, 0, 0) direction. there are twelve inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a trigonal planar geometry to three N3- atoms. There is two shorter (1.34 Å) and one longer (1.39 Å) C–N bond length. In the second C4+ site, C4+ is bonded in a trigonal planar geometry to three N3- atoms. There are a spread of C–N bond distances ranging from 1.33–1.42 Å. In the third C4+ site, C4+ is bonded in a trigonal planar geometry to three N3- atoms. There is two shorter (1.33 Å) and one longer (1.40 Å) C–N bond length. In the fourth C4+ site, C4+ is bonded in a trigonal planar geometry to three N3- atoms. There are a spread of C–N bond distances ranging from 1.32–1.41 Å. In the fifth C4+ site, C4+ is bonded in a trigonal planar geometry to three N3- atoms. There are a spread of C–N bond distances ranging from 1.33–1.38 Å. In the sixth C4+ site, C4+ is bonded in a trigonal planar geometry to three N3- atoms. There is two shorter (1.34 Å) and one longer (1.39 Å) C–N bond length. In the seventh C4+ site, C4+ is bonded in a trigonal planar geometry to three N3- atoms. There are a spread of C–N bond distances ranging from 1.33–1.42 Å. In the eighth C4+ site, C4+ is bonded in a trigonal planar geometry to three N3- atoms. There are a spread of C–N bond distances ranging from 1.33–1.38 Å. In the ninth C4+ site, C4+ is bonded in a trigonal planar geometry to three N3- atoms. There are a spread of C–N bond distances ranging from 1.31–1.41 Å. In the tenth C4+ site, C4+ is bonded in a trigonal planar geometry to three N3- atoms. There is one shorter (1.33 Å) and two longer (1.37 Å) C–N bond length. In the eleventh C4+ site, C4+ is bonded in a trigonal planar geometry to three N3- atoms. There are a spread of C–N bond distances ranging from 1.32–1.40 Å. In the twelfth C4+ site, C4+ is bonded in a trigonal planar geometry to three N3- atoms. There is one shorter (1.32 Å) and two longer (1.37 Å) C–N bond length. There are eighteen inequivalent N3- sites. In the first N3- site, N3- is bonded in a bent 120 degrees geometry to two C4+ atoms. In the second N3- site, N3- is bonded in a bent 120 degrees geometry to two C4+ atoms. In the third N3- site, N3- is bonded in a trigonal planar geometry to three C4+ atoms. In the fourth N3- site, N3- is bonded in a bent 120 degrees geometry to two C4+ atoms. In the fifth N3- site, N3- is bonded in a bent 120 degrees geometry to two C4+ atoms. In the sixth N3- site, N3- is bonded in a bent 120 degrees geometry to two C4+ atoms. In the seventh N3- site, N3- is bonded in a trigonal planar geometry to two C4+ and one H1+ atom. The N–H bond length is 1.03 Å. In the eighth N3- site, N3- is bonded in a bent 120 degrees geometry to two C4+ atoms. In the ninth N3- site, N3- is bonded in a bent 120 degrees geometry to two C4+ atoms. In the tenth N3- site, N3- is bonded in a bent 120 degrees geometry to two C4+ atoms. In the eleventh N3- site, N3- is bonded in a trigonal planar geometry to three C4+ atoms. In the twelfth N3- site, N3- is bonded in a bent 120 degrees geometry to two C4+ atoms. In the thirteenth N3- site, N3- is bonded in a trigonal planar geometry to two C4+ and one H1+ atom. The N–H bond length is 1.03 Å. In the fourteenth N3- site, N3- is bonded in a bent 120 degrees geometry to two C4+ atoms. In the fifteenth N3- site, N3- is bonded in a bent 120 degrees geometry to two C4+ atoms. In the sixteenth N3- site, N3- is bonded in a trigonal planar geometry to one C4+ and two H1+ atoms. Both N–H bond lengths are 1.03 Å. In the seventeenth N3- site, N3- is bonded in a bent 120 degrees geometry to two C4+ atoms. In the eighteenth N3- site, N3- is bonded in a trigonal planar geometry to one C4+ and two H1+ atoms. Both N–H bond lengths are 1.03 Å. 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.