DyFeSi is Matlockite structured and crystallizes in the tetragonal P4/nmm space group. Dy(1) is bonded in a 9-coordinate geometry to four equivalent Fe(1) and five equivalent Si(1) atoms. Fe(1) is bonded in a distorted body-centered cubic geometry to four equivalent Dy(1) and four equivalent Si(1) atoms. Si(1) is bonded in a 9-coordinate geometry to five equivalent Dy(1) and four equivalent Fe(1) atoms.
DyFeSi is Matlockite structured and crystallizes in the tetragonal P4/nmm space group. Dy(1) is bonded in a 9-coordinate geometry to four equivalent Fe(1) and five equivalent Si(1) atoms. All Dy(1)-Fe(1) bond lengths are 2.84 Å. There are four shorter (2.98 Å) and one longer (3.25 Å) Dy(1)-Si(1) bond length. Fe(1) is bonded in a distorted body-centered cubic geometry to four equivalent Dy(1) and four equivalent Si(1) atoms. All Fe(1)-Si(1) bond lengths are 2.32 Å. Si(1) is bonded in a 9-coordinate geometry to five equivalent Dy(1) and four equivalent Fe(1) atoms.