FeCoSn4 is Khatyrkite-derived structured and crystallizes in the tetragonal I422 space group. Fe(1) is bonded in a 10-coordinate geometry to two equivalent Co(1) and eight equivalent Sn(1) atoms. Co(1) is bonded in a distorted q6 geometry to two equivalent Fe(1) and eight equivalent Sn(1) atoms. Sn(1) is bonded in a 4-coordinate geometry to two equivalent Fe(1) and two equivalent Co(1) atoms.
FeCoSn4 is Khatyrkite-derived structured and crystallizes in the tetragonal I422 space group. Fe(1) is bonded in a 10-coordinate geometry to two equivalent Co(1) and eight equivalent Sn(1) atoms. Both Fe(1)-Co(1) bond lengths are 2.73 Å. All Fe(1)-Sn(1) bond lengths are 2.74 Å. Co(1) is bonded in a distorted q6 geometry to two equivalent Fe(1) and eight equivalent Sn(1) atoms. All Co(1)-Sn(1) bond lengths are 2.74 Å. Sn(1) is bonded in a 4-coordinate geometry to two equivalent Fe(1) and two equivalent Co(1) atoms.