Materials Data on H12RhC8NO6 by Materials Project

Abstract

Rh(C2O3)2N(CH3)4 crystallizes in the orthorhombic Pnma space group. The structure is zero-dimensional and consists of four tetramethylammonium molecules and four Rh(C2O3)2 clusters. In each Rh(C2O3)2 cluster, Rh3+ is bonded in a rectangular see-saw-like geometry to two C and two O2- atoms. Both Rh–C bond lengths are 1.85 Å. Both Rh–O bond lengths are 2.08 Å. There are four inequivalent C sites. In the first C site, C is bonded in a distorted bent 120 degrees geometry to two O2- atoms. There is one shorter (1.24 Å) and one longer (1.31 Å) C–O bond length. In the second C site, C is bonded in a distorted bent 120 degrees geometry to two O2- atoms. There is one shorter (1.24 Å) and one longer (1.30 Å) C–O bond length. In the third C site, C is bonded in a linear geometry to one Rh3+ and one O2- atom. The C–O bond length is 1.16 Å. In the fourth C site, C is bonded in a distorted linear geometry to one Rh3+ and one O2- atom. The C–O bond length is 1.16 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Rh3+ and one C atom. In the second O2- site, O2- is bonded in a single-bond geometry to one C atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Rh3+ and one C atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one C atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to one C atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to one C atom.