Materials Data on Mg2Ti by Materials Project

Abstract

Mg2Ti is beta-derived structured and crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Mg is bonded to seven equivalent Mg and five equivalent Ti atoms to form distorted MgMg7Ti5 cuboctahedra that share corners with six equivalent TiMg10Ti2 cuboctahedra, corners with twelve equivalent MgMg7Ti5 cuboctahedra, edges with four equivalent TiMg10Ti2 cuboctahedra, edges with fourteen equivalent MgMg7Ti5 cuboctahedra, faces with eight equivalent TiMg10Ti2 cuboctahedra, and faces with twelve equivalent MgMg7Ti5 cuboctahedra. There are a spread of Mg–Mg bond distances ranging from 2.96–3.15 Å. There are a spread of Mg–Ti bond distances ranging from 3.06–3.18 Å. Ti is bonded to ten equivalent Mg and two equivalent Ti atoms to form TiMg10Ti2 cuboctahedra that share corners with six equivalent TiMg10Ti2 cuboctahedra, corners with twelve equivalent MgMg7Ti5 cuboctahedra, edges with eight equivalent MgMg7Ti5 cuboctahedra, edges with ten equivalent TiMg10Ti2 cuboctahedra, faces with four equivalent TiMg10Ti2 cuboctahedra, and faces with sixteen equivalent MgMg7Ti5 cuboctahedra. Both Ti–Ti bond lengths are 2.93 Å.