Materials Data on Rb3Mg by Materials Project

Rb3Mg crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are three inequivalent Rb sites. In the first Rb site, Rb is bonded in a 2-coordinate geometry to eight Rb and two equivalent Mg atoms. There are a spread of Rb–Rb bond distances ranging from 4.33–4.89 Å. Both Rb–Mg bond lengths are 4.32 Å. In the second Rb site, Rb is bonded in a 2-coordinate geometry to eight Rb and two equivalent Mg atoms. Both Rb–Rb bond lengths are 4.52 Å. Both Rb–Mg bond lengths are 4.32 Å. In the third Rb site, Rb is bonded in a 2-coordinate geometry to eight Rb and two equivalent Mg atoms. Both Rb–Mg bond lengths are 4.32 Å. Mg is bonded in a 6-coordinate geometry to six Rb atoms.

Rb₃Mg在六方晶系（hexagonal）P6₃/mmc空间群（space group）中结晶。其结构为三维结构。存在三个不等价的Rb位点。第一个Rb位点中，Rb以二配位几何结构与8个Rb原子和2个等价的Mg原子成键。Rb-Rb键长分布在4.33至4.89埃（Å）之间。Rb-Mg键长均为4.32埃。第二个Rb位点中，Rb以二配位几何结构与8个Rb原子和2个等价的Mg原子成键。Rb-Rb键长均为4.52埃，Rb-Mg键长均为4.32埃。第三个Rb位点中，Rb以二配位几何结构与8个Rb原子和2个等价的Mg原子成键。Rb-Mg键长均为4.32埃。Mg以六配位几何结构与6个Rb原子成键。