Materials Data on Er by Materials Project

Abstract

Er is alpha Samarium structured and crystallizes in the trigonal R-3m space group. The structure is three-dimensional. there are five inequivalent Er sites. In the first Er site, Er is bonded to twelve Er atoms to form a mixture of edge, face, and corner-sharing ErEr12 cuboctahedra. There are six shorter (3.50 Å) and six longer (3.54 Å) Er–Er bond lengths. In the second Er site, Er is bonded to twelve Er atoms to form a mixture of edge, face, and corner-sharing ErEr12 cuboctahedra. There are three shorter (3.49 Å) and six longer (3.54 Å) Er–Er bond lengths. In the third Er site, Er is bonded to twelve Er atoms to form a mixture of edge, face, and corner-sharing ErEr12 cuboctahedra. There are three shorter (3.49 Å) and six longer (3.54 Å) Er–Er bond lengths. In the fourth Er site, Er is bonded to twelve Er atoms to form a mixture of edge, face, and corner-sharing ErEr12 cuboctahedra. There are a spread of Er–Er bond distances ranging from 3.49–3.54 Å. In the fifth Er site, Er is bonded to twelve Er atoms to form a mixture of edge, face, and corner-sharing ErEr12 cuboctahedra. There are three shorter (3.50 Å) and six longer (3.54 Å) Er–Er bond lengths.