LuFe2Co2B crystallizes in the orthorhombic Cmm2 space group. There are two inequivalent Lu sites. In the first Lu site, Lu(1) is bonded in a 6-coordinate geometry to six equivalent Fe(2) atoms. In the second Lu site, Lu(2) is bonded in a 18-coordinate geometry to four equivalent Fe(1), two equivalent Co(1), two equivalent Co(3), four equivalent Co(2), and six equivalent B(1) atoms. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a distorted L-shaped geometry to two equivalent Lu(2), two equivalent Fe(2), and two equivalent B(1) atoms. In the second Fe site, Fe(2) is bonded in a 9-coordinate geometry to three equivalent Lu(1), two equivalent Fe(1), one Co(1), one Co(3), and two equivalent Co(2) atoms. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded in a 2-coordinate geometry to two equivalent Lu(2), two equivalent Fe(2), and two equivalent B(1) atoms. In the second Co site, Co(2) is bonded in a 2-coordinate geometry to two equivalent Lu(2), two equivalent Fe(2), and two equivalent B(1) atoms. In the third Co site, Co(3) is bonded in a 2-coordinate geometry to two equivalent Lu(2), two equivalent Fe(2), and two equivalent B(1) atoms. B(1) is bonded in a 6-coordinate geometry to three equivalent Lu(2), two equivalent Fe(1), one Co(1), one Co(3), and two equivalent Co(2) atoms.
LuFe2Co2B crystallizes in the orthorhombic Cmm2 space group. There are two inequivalent Lu sites. In the first Lu site, Lu(1) is bonded in a 6-coordinate geometry to six equivalent Fe(2) atoms. All Lu(1)-Fe(2) bond lengths are 2.89 Å. In the second Lu site, Lu(2) is bonded in a 18-coordinate geometry to four equivalent Fe(1), two equivalent Co(1), two equivalent Co(3), four equivalent Co(2), and six equivalent B(1) atoms. All Lu(2)-Fe(1) bond lengths are 2.92 Å. Both Lu(2)-Co(1) bond lengths are 2.88 Å. Both Lu(2)-Co(3) bond lengths are 2.91 Å. All Lu(2)-Co(2) bond lengths are 2.88 Å. There are four shorter (2.88 Å) and two longer (2.91 Å) Lu(2)-B(1) bond lengths. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a distorted L-shaped geometry to two equivalent Lu(2), two equivalent Fe(2), and two equivalent B(1) atoms. Both Fe(1)-Fe(2) bond lengths are 2.45 Å. Both Fe(1)-B(1) bond lengths are 2.07 Å. In the second Fe site, Fe(2) is bonded in a 9-coordinate geometry to three equivalent Lu(1), two equivalent Fe(1), one Co(1), one Co(3), and two equivalent Co(2) atoms. The Fe(2)-Co(1) bond length is 2.43 Å. The Fe(2)-Co(3) bond length is 2.47 Å. Both Fe(2)-Co(2) bond lengths are 2.42 Å. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded in a 2-coordinate geometry to two equivalent Lu(2), two equivalent Fe(2), and two equivalent B(1) atoms. Both Co(1)-B(1) bond lengths are 2.04 Å. In the second Co site, Co(2) is bonded in a 2-coordinate geometry to two equivalent Lu(2), two equivalent Fe(2), and two equivalent B(1) atoms. Both Co(2)-B(1) bond lengths are 2.04 Å. In the third Co site, Co(3) is bonded in a 2-coordinate geometry to two equivalent Lu(2), two equivalent Fe(2), and two equivalent B(1) atoms. Both Co(3)-B(1) bond lengths are 2.06 Å. B(1) is bonded in a 6-coordinate geometry to three equivalent Lu(2), two equivalent Fe(1), one Co(1), one Co(3), and two equivalent Co(2) atoms.