Materials Data on RbFeCl4 by Materials Project
RbFeCl4 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Rb1+ is bonded in a 10-coordinate geometry to ten Cl1- atoms. There are a spread of Rb–Cl bond distances ranging from 3.43–3.99 Å. Fe3+ is bonded in a tetrahedral geometry to four Cl1- atoms. There are two shorter (2.20 Å) and two longer (2.22 Å) Fe–Cl bond lengths. There are three inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a distorted single-bond geometry to three equivalent Rb1+ and one Fe3+ atom. In the second Cl1- site, Cl1- is bonded in a distorted linear geometry to one Rb1+ and one Fe3+ atom. In the third Cl1- site, Cl1- is bonded in a distorted single-bond geometry to three equivalent Rb1+ and one Fe3+ atom.