FeGe crystallizes in the hexagonal P6/mmm space group. Fe(1) is bonded in a 10-coordinate geometry to four equivalent Fe(1), two equivalent Ge(1), and four equivalent Ge(2) atoms. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a hexagonal planar geometry to six equivalent Fe(1) atoms. In the second Ge site, Ge(2) is bonded in a 6-coordinate geometry to six equivalent Fe(1) atoms.
FeGe crystallizes in the hexagonal P6/mmm space group. Fe(1) is bonded in a 10-coordinate geometry to four equivalent Fe(1), two equivalent Ge(1), and four equivalent Ge(2) atoms. All Fe(1)-Fe(1) bond lengths are 2.50 Å. Both Fe(1)-Ge(1) bond lengths are 2.50 Å. All Fe(1)-Ge(2) bond lengths are 2.51 Å. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a hexagonal planar geometry to six equivalent Fe(1) atoms. In the second Ge site, Ge(2) is bonded in a 6-coordinate geometry to six equivalent Fe(1) atoms.