Materials Data on Er3Al3NiGe2 by Materials Project

Abstract

Er3NiAl3Ge2 crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Er is bonded in a 5-coordinate geometry to one Ni, six equivalent Al, and four equivalent Ge atoms. The Er–Ni bond length is 2.79 Å. There are four shorter (3.19 Å) and two longer (3.27 Å) Er–Al bond lengths. All Er–Ge bond lengths are 2.95 Å. Ni is bonded in a distorted q6 geometry to three equivalent Er and six equivalent Al atoms. All Ni–Al bond lengths are 2.61 Å. Al is bonded to six equivalent Er, two equivalent Ni, two equivalent Al, and two equivalent Ge atoms to form a mixture of distorted face, edge, and corner-sharing AlEr6Al2Ni2Ge2 tetrahedra. Both Al–Al bond lengths are 2.73 Å. Both Al–Ge bond lengths are 2.73 Å. Ge is bonded in a 9-coordinate geometry to six equivalent Er and three equivalent Al atoms.