Ho2Co2I crystallizes in the hexagonal P6_3/mmc space group. Ho(1) is bonded in a 9-coordinate geometry to six equivalent Co(1) and three equivalent I(1) atoms. Co(1) is bonded in a 9-coordinate geometry to six equivalent Ho(1) and three equivalent Co(1) atoms. I(1) is bonded in a 6-coordinate geometry to six equivalent Ho(1) atoms.
Ho2Co2I crystallizes in the hexagonal P6_3/mmc space group. Ho(1) is bonded in a 9-coordinate geometry to six equivalent Co(1) and three equivalent I(1) atoms. There are three shorter (2.84 Å) and three longer (2.93 Å) Ho(1)-Co(1) bond lengths. All Ho(1)-I(1) bond lengths are 3.36 Å. Co(1) is bonded in a 9-coordinate geometry to six equivalent Ho(1) and three equivalent Co(1) atoms. All Co(1)-Co(1) bond lengths are 2.30 Å. I(1) is bonded in a 6-coordinate geometry to six equivalent Ho(1) atoms.