Materials Data on Na2CoH4(CO2)4 by Materials Project

Abstract

Na2CoH4(CO2)4 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Na1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Na–O bond distances ranging from 2.43–2.74 Å. Co2+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Co–O bond distances ranging from 2.10–2.15 Å. There are two inequivalent C2+ sites. In the first C2+ site, C2+ is bonded in a trigonal planar geometry to one H1+ and two O2- atoms. The C–H bond length is 1.11 Å. There is one shorter (1.26 Å) and one longer (1.28 Å) C–O bond length. In the second C2+ site, C2+ is bonded in a trigonal planar geometry to one H1+ and two O2- atoms. The C–H bond length is 1.11 Å. Both C–O bond lengths are 1.27 Å. There are two inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one C2+ atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one C2+ atom. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Na1+, one Co2+, and one C2+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one Co2+, and one C2+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one Co2+, and one C2+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to three equivalent Na1+ and one C2+ atom.