TmCu2In is Heusler structured and crystallizes in the monoclinic C2/m space group. Tm(1) is bonded in a distorted body-centered cubic geometry to eight equivalent Cu(1) and six equivalent In(1) atoms. Cu(1) is bonded in a body-centered cubic geometry to four equivalent Tm(1) and four equivalent In(1) atoms. In(1) is bonded in a distorted body-centered cubic geometry to six equivalent Tm(1) and eight equivalent Cu(1) atoms.
TmCu2In is Heusler structured and crystallizes in the monoclinic C2/m space group. Tm(1) is bonded in a distorted body-centered cubic geometry to eight equivalent Cu(1) and six equivalent In(1) atoms. There are six shorter (2.82 Å) and two longer (2.83 Å) Tm(1)-Cu(1) bond lengths. All Tm(1)-In(1) bond lengths are 3.26 Å. Cu(1) is bonded in a body-centered cubic geometry to four equivalent Tm(1) and four equivalent In(1) atoms. There are a spread of Cu(1)-In(1) bond distances ranging from 2.81-2.83 Å. In(1) is bonded in a distorted body-centered cubic geometry to six equivalent Tm(1) and eight equivalent Cu(1) atoms.