FeNiSn crystallizes in the hexagonal P6_3/mmc space group. Fe(1) is bonded in a 14-coordinate geometry to two equivalent Fe(1), six equivalent Ni(1), and six equivalent Sn(1) atoms. Ni(1) is bonded in a 11-coordinate geometry to six equivalent Fe(1) and five equivalent Sn(1) atoms. Sn(1) is bonded in a 11-coordinate geometry to six equivalent Fe(1) and five equivalent Ni(1) atoms.
FeNiSn crystallizes in the hexagonal P6_3/mmc space group. Fe(1) is bonded in a 14-coordinate geometry to two equivalent Fe(1), six equivalent Ni(1), and six equivalent Sn(1) atoms. Both Fe(1)-Fe(1) bond lengths are 2.61 Å. All Fe(1)-Ni(1) bond lengths are 2.80 Å. All Fe(1)-Sn(1) bond lengths are 2.80 Å. Ni(1) is bonded in a 11-coordinate geometry to six equivalent Fe(1) and five equivalent Sn(1) atoms. There are three shorter (2.48 Å) and two longer (2.61 Å) Ni(1)-Sn(1) bond lengths. Sn(1) is bonded in a 11-coordinate geometry to six equivalent Fe(1) and five equivalent Ni(1) atoms.