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DOE OSTI2020

Materials Data on Sm2Fe4Co13 by Materials Project

Sm2Fe4Co13 is Frank-Kasper $\mu$ Phase-derived structured and crystallizes in the trigonal R3m space group. The structure is three-dimensional. there are two inequivalent Sm sites. In the first Sm site, Sm is bonded in a 10-coordinate geometry to three equivalent Fe and sixteen Co atoms. All Sm–Fe bond lengths are 3.23 Å. There are a spread of Sm–Co bond distances ranging from 3.01–3.18 Å. In the second Sm site, Sm is bonded in a 10-coordinate geometry to four Fe and fifteen Co atoms. There are one shorter (3.07 Å) and three longer (3.28 Å) Sm–Fe bond lengths. There are a spread of Sm–Co bond distances ranging from 3.01–3.20 Å. There are two inequivalent Fe sites. In the first Fe site, Fe is bonded to two Sm, one Fe, and nine Co atoms to form distorted FeSm2FeCo9 cuboctahedra that share corners with four equivalent FeSm2FeCo9 cuboctahedra, corners with ten CoSm3Fe3Co6 cuboctahedra, edges with six CoSm3Fe3Co6 cuboctahedra, faces with four equivalent FeSm2FeCo9 cuboctahedra, and faces with six CoSm3Fe3Co6 cuboctahedra. The Fe–Fe bond length is 2.61 Å. There are a spread of Fe–Co bond distances ranging from 2.40–2.54 Å. In the second Fe site, Fe is bonded in a 1-coordinate geometry to one Sm, three equivalent Fe, and ten Co atoms. There are a spread of Fe–Co bond distances ranging from 2.35–2.67 Å. There are four inequivalent Co sites. In the first Co site, Co is bonded in a 12-coordinate geometry to two Sm, three Fe, and seven Co atoms. There are a spread of Co–Co bond distances ranging from 2.40–2.69 Å. In the second Co site, Co is bonded to three Sm, three Fe, and six Co atoms to form CoSm3Fe3Co6 cuboctahedra that share corners with five equivalent FeSm2FeCo9 cuboctahedra, corners with ten CoSm3Fe3Co6 cuboctahedra, edges with three equivalent FeSm2FeCo9 cuboctahedra, edges with five CoSm3Fe3Co6 cuboctahedra, faces with three equivalent FeSm2FeCo9 cuboctahedra, and faces with seven CoSm3Fe3Co6 cuboctahedra. Both Co–Co bond lengths are 2.44 Å. In the third Co site, Co is bonded to three Sm, two equivalent Fe, and seven Co atoms to form CoSm3Fe2Co7 cuboctahedra that share corners with five equivalent FeSm2FeCo9 cuboctahedra, corners with ten CoSm3Fe3Co6 cuboctahedra, edges with three equivalent FeSm2FeCo9 cuboctahedra, edges with five CoSm3Fe3Co6 cuboctahedra, faces with three equivalent FeSm2FeCo9 cuboctahedra, and faces with seven CoSm3Fe3Co6 cuboctahedra. The Co–Co bond length is 2.62 Å. In the fourth Co site, Co is bonded in a 1-coordinate geometry to one Sm, four Fe, and nine Co atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SmFeCo by Materials Project

FeCoSm is Hexagonal Laves-derived structured and crystallizes in the orthorhombic Imma space group. The structure is three-dimensional. Sm is bonded in a 12-coordinate geometry to six equivalent Fe and six equivalent Co atoms. There are two shorter (3.00 Å) and four longer (3.13 Å) Sm–Fe bond lengths. There are two shorter (3.02 Å) and four longer (3.05 Å) Sm–Co bond lengths. Fe is bonded to six equivalent Sm, two equivalent Fe, and four equivalent Co atoms to form FeSm6Fe2Co4 cuboctahedra that share corners with eight equivalent CoSm6Fe4Co2 cuboctahedra, corners with ten equivalent FeSm6Fe2Co4 cuboctahedra, edges with six equivalent FeSm6Fe2Co4 cuboctahedra, faces with six equivalent FeSm6Fe2Co4 cuboctahedra, and faces with twelve equivalent CoSm6Fe4Co2 cuboctahedra. Both Fe–Fe bond lengths are 2.58 Å. All Fe–Co bond lengths are 2.60 Å. Co is bonded to six equivalent Sm, four equivalent Fe, and two equivalent Co atoms to form CoSm6Fe4Co2 cuboctahedra that share corners with eight equivalent FeSm6Fe2Co4 cuboctahedra, corners with ten equivalent CoSm6Fe4Co2 cuboctahedra, edges with six equivalent CoSm6Fe4Co2 cuboctahedra, faces with six equivalent CoSm6Fe4Co2 cuboctahedra, and faces with twelve equivalent FeSm6Fe2Co4 cuboctahedra. Both Co–Co bond lengths are 2.70 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sm4Fe31Co3 by Materials Project

Sm4Fe31Co3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Sm sites. In the first Sm site, Sm is bonded in a 10-coordinate geometry to seventeen Fe and two Co atoms. There are a spread of Sm–Fe bond distances ranging from 3.00–3.29 Å. Both Sm–Co bond lengths are 3.10 Å. In the second Sm site, Sm is bonded in a 10-coordinate geometry to eighteen Fe and one Co atom. There are a spread of Sm–Fe bond distances ranging from 3.00–3.29 Å. The Sm–Co bond length is 3.11 Å. In the third Sm site, Sm is bonded in a 10-coordinate geometry to sixteen Fe and three Co atoms. There are a spread of Sm–Fe bond distances ranging from 3.01–3.30 Å. There are a spread of Sm–Co bond distances ranging from 3.20–3.24 Å. In the fourth Sm site, Sm is bonded in a 10-coordinate geometry to sixteen Fe and three Co atoms. There are a spread of Sm–Fe bond distances ranging from 3.00–3.30 Å. There are a spread of Sm–Co bond distances ranging from 3.20–3.24 Å. There are thirty-one inequivalent Fe sites. In the first Fe site, Fe is bonded in a 12-coordinate geometry to two Sm and ten Fe atoms. There are a spread of Fe–Fe bond distances ranging from 2.44–2.75 Å. In the second Fe site, Fe is bonded in a 12-coordinate geometry to two Sm, nine Fe, and one Co atom. There are a spread of Fe–Fe bond distances ranging from 2.44–2.77 Å. The Fe–Co bond length is 2.64 Å. In the third Fe site, Fe is bonded in a 12-coordinate geometry to two Sm, nine Fe, and one Co atom. There are a spread of Fe–Fe bond distances ranging from 2.44–2.76 Å. The Fe–Co bond length is 2.53 Å. In the fourth Fe site, Fe is bonded in a 12-coordinate geometry to two Sm, nine Fe, and one Co atom. There are a spread of Fe–Fe bond distances ranging from 2.44–2.76 Å. The Fe–Co bond length is 2.53 Å. In the fifth Fe site, Fe is bonded in a 12-coordinate geometry to two Sm, eight Fe, and two Co atoms. There are a spread of Fe–Fe bond distances ranging from 2.44–2.76 Å. There are one shorter (2.53 Å) and one longer (2.65 Å) Fe–Co bond lengths. In the sixth Fe site, Fe is bonded in a 12-coordinate geometry to two Sm, nine Fe, and one Co atom. There are a spread of Fe–Fe bond distances ranging from 2.45–2.77 Å. The Fe–Co bond length is 2.65 Å. In the seventh Fe site, Fe is bonded in a 12-coordinate geometry to two Sm, nine Fe, and one Co atom. There are a spread of Fe–Fe bond distances ranging from 2.44–2.75 Å. The Fe–Co bond length is 2.53 Å. In the eighth Fe site, Fe is bonded in a 12-coordinate geometry to two Sm and ten Fe atoms. There are a spread of Fe–Fe bond distances ranging from 2.44–2.76 Å. In the ninth Fe site, Fe is bonded in a 12-coordinate geometry to two Sm, nine Fe, and one Co atom. There are a spread of Fe–Fe bond distances ranging from 2.44–2.77 Å. The Fe–Co bond length is 2.64 Å. In the tenth Fe site, Fe is bonded in a 12-coordinate geometry to two Sm, nine Fe, and one Co atom. There are a spread of Fe–Fe bond distances ranging from 2.45–2.76 Å. The Fe–Co bond length is 2.64 Å. In the eleventh Fe site, Fe is bonded in a 12-coordinate geometry to two Sm, eight Fe, and two Co atoms. There are a spread of Fe–Fe bond distances ranging from 2.44–2.77 Å. There are one shorter (2.53 Å) and one longer (2.65 Å) Fe–Co bond lengths. In the twelfth Fe site, Fe is bonded in a 12-coordinate geometry to two Sm, nine Fe, and one Co atom. There are a spread of Fe–Fe bond distances ranging from 2.44–2.75 Å. The Fe–Co bond length is 2.53 Å. In the thirteenth Fe site, Fe is bonded to two Sm, nine Fe, and one Co atom to form distorted FeSm2Fe9Co cuboctahedra that share corners with four CoSm3Fe9 cuboctahedra, corners with ten FeSm3Fe7Co2 cuboctahedra, an edgeedge with one CoSm3Fe9 cuboctahedra, edges with five FeSm3Fe8Co cuboctahedra, faces with two CoSm3Fe9 cuboctahedra, and faces with eight FeSm2Fe9Co cuboctahedra. There are a spread of Fe–Fe bond distances ranging from 2.46–2.61 Å. The Fe–Co bond length is 2.44 Å. In the fourteenth Fe site, Fe is bonded to two Sm, nine Fe, and one Co atom to form distorted FeSm2Fe9Co cuboctahedra that share a cornercorner with one CoSm3Fe9 cuboctahedra, corners with thirteen FeSm3Fe8Co cuboctahedra, edges with two CoSm3Fe9 cuboctahedra, edges with four FeSm3Fe8Co cuboctahedra, a faceface with one CoSm3Fe9 cuboctahedra, and faces with nine FeSm2Fe9Co cuboctahedra. There are a spread of Fe–Fe bond distances ranging from 2.45–2.60 Å. The Fe–Co bond length is 2.43 Å. In the fifteenth Fe site, Fe is bonded to two Sm, nine Fe, and one Co atom to form distorted FeSm2Fe9Co cuboctahedra that share corners with two CoSm3Fe9 cuboctahedra, corners with twelve FeSm3Fe8Co cuboctahedra, an edgeedge with one CoSm3Fe9 cuboctahedra, edges with five FeSm3Fe8Co cuboctahedra, a faceface with one CoSm3Fe9 cuboctahedra, and faces with nine FeSm2Fe9Co cuboctahedra. There are a spread of Fe–Fe bond distances ranging from 2.45–2.60 Å. The Fe–Co bond length is 2.44 Å. In the sixteenth Fe site, Fe is bonded to two Sm, eight Fe, and two Co atoms to form distorted FeSm2Fe8Co2 cuboctahedra that share a cornercorner with one CoSm3Fe9 cuboctahedra, corners with thirteen FeSm3Fe7Co2 cuboctahedra, edges with two CoSm3Fe9 cuboctahedra, edges with four FeSm3Fe8Co cuboctahedra, faces with two CoSm3Fe9 cuboctahedra, and faces with eight FeSm2Fe9Co cuboctahedra. There are a spread of Fe–Fe bond distances ranging from 2.45–2.60 Å. Both Fe–Co bond lengths are 2.44 Å. In the seventeenth Fe site, Fe is bonded to two Sm, nine Fe, and one Co atom to form distorted FeSm2Fe9Co cuboctahedra that share corners with three CoSm3Fe9 cuboctahedra, corners with eleven FeSm3Fe7Co2 cuboctahedra, edges with two CoSm3Fe9 cuboctahedra, edges with four FeSm3Fe8Co cuboctahedra, faces with two CoSm3Fe9 cuboctahedra, and faces with eight FeSm2Fe9Co cuboctahedra. There are a spread of Fe–Fe bond distances ranging from 2.45–2.61 Å. The Fe–Co bond length is 2.44 Å. In the eighteenth Fe site, Fe is bonded to two Sm and ten Fe atoms to form FeSm2Fe10 cuboctahedra that share corners with four CoSm3Fe9 cuboctahedra, corners with ten FeSm3Fe8Co cuboctahedra, an edgeedge with one CoSm3Fe9 cuboctahedra, edges with five FeSm3Fe7Co2 cuboctahedra, a faceface with one CoSm3Fe9 cuboctahedra, and faces with nine FeSm2Fe9Co cuboctahedra. There are a spread of Fe–Fe bond distances ranging from 2.45–2.61 Å. In the nineteenth Fe site, Fe is bonded in a 2-coordinate geometry to one Sm and thirteen Fe atoms. There are a spread of Fe–Fe bond distances ranging from 2.40–2.66 Å. In the twentieth Fe site, Fe is bonded in a 2-coordinate geometry to one Sm and thirteen Fe atoms. There are a spread of Fe–Fe bond distances ranging from 2.41–2.65 Å. In the twenty-first Fe site, Fe is bonded in a 3-coordinate geometry to one Sm, twelve Fe, and one Co atom. There are one shorter (2.63 Å) and one longer (2.64 Å) Fe–Fe bond lengths. The Fe–Co bond length is 2.63 Å. In the twenty-second Fe site, Fe is bonded in a 4-coordinate geometry to one Sm, eleven Fe, and two Co atoms. The Fe–Fe bond length is 2.63 Å. There are one shorter (2.62 Å) and one longer (2.63 Å) Fe–Co bond lengths. In the twenty-third Fe site, Fe is bonded to three Sm and nine Fe atoms to form FeSm3Fe9 cuboctahedra that share corners with two equivalent CoSm3Fe9 cuboctahedra, corners with thirteen FeSm3Fe7Co2 cuboctahedra, edges with two CoSm3Fe9 cuboctahedra, edges with six FeSm3Fe8Co cuboctahedra, faces with two CoSm3Fe9 cuboctahedra, and faces with eight FeSm2Fe9Co cuboctahedra. There are one shorter (2.46 Å) and one longer (2.48 Å) Fe–Fe bond lengths. In the twenty-fourth Fe site, Fe is bonded to three Sm and nine Fe atoms to form FeSm3Fe9 cuboctahedra that share corners with fifteen FeSm2Fe9Co cuboctahedra, edges with three CoSm3Fe9 cuboctahedra, edges with five FeSm3Fe7Co2 cuboctahedra, faces with three CoSm3Fe9 cuboctahedra, and faces with seven FeSm2Fe9Co cuboctahedra. There are one shorter (2.47 Å) and one longer (2.48 Å) Fe–Fe bond lengths. In the twenty-fifth Fe site, Fe is bonded to three Sm and nine Fe atoms to form FeSm3Fe9 cuboctahedra that share corners with fifteen FeSm2Fe9Co cuboctahedra, edges with three CoSm3Fe9 cuboctahedra, edges with five FeSm3Fe8Co cuboctahedra, faces with three CoSm3Fe9 cuboctahedra, and faces with seven FeSm2Fe9Co cuboctahedra. There are one shorter (2.47 Å) and one longer (2.48 Å) Fe–Fe bond lengths. In the twenty-sixth Fe site, Fe is bonded to three Sm, eight Fe, and one Co atom to form FeSm3Fe8Co cuboctahedra that share corners with four CoSm3Fe9 cuboctahedra, corners with eleven FeSm2Fe9Co cuboctahedra, an edgeedge with one CoSm3Fe9 cuboctahedra, edges with seven FeSm3Fe8Co cuboctahedra, faces with two CoSm3Fe9 cuboctahedra, and faces with eight FeSm2Fe9Co cuboctahedra. The Fe–Co bond length is 2.45 Å. In the twenty-seventh Fe site, Fe is bonded to three Sm and nine Fe atoms to form FeSm3Fe9 cuboctahedra that share corners with three CoSm3Fe9 cuboctahedra, corners with twelve FeSm2Fe9Co cuboctahedra, an edgeedge with one CoSm3Fe9 cuboctahedra, edges with seven FeSm3Fe8Co cuboctahedra, a faceface with one CoSm3Fe9 cuboctahedra, and faces with nine FeSm2Fe9Co cuboctahedra. In the twenty-eighth Fe site, Fe is bonded to three Sm, eight Fe, and one Co atom to form FeSm3Fe8Co cuboctahedra that share corners with three CoSm3Fe9 cuboctahedra, corners with twelve FeSm3Fe8Co cuboctahedra, an edgeedge with one CoSm3Fe9 cuboctahedra, edges with seven FeSm3Fe7Co2 cuboctahedra, a faceface with one CoSm3Fe9 cuboctahedra, and faces with nine FeSm2Fe9Co cuboctahedra. The Fe–Co bond length is 2.45 Å. In the twenty-ninth Fe site, Fe is bonded to three Sm, eight Fe, and one Co atom to form FeSm3Fe8Co cuboctahedra that share corners with five CoSm3Fe9 cuboctahedra, corners with ten FeSm2Fe9Co cuboctahedra, edges with eight FeSm3Fe7Co2 cuboctahedra, faces with two CoSm3Fe9 cuboctahedra, and faces with eight FeSm2Fe9Co cuboctahedra. The Fe–Co bond length is 2.46 Å. In the thirtieth Fe site, Fe is bonded to three Sm, seven Fe, and two Co atoms to form FeSm3Fe7Co2 cuboctahedra that share corners with five CoSm3Fe9 cuboctahedra, corners with ten FeSm2Fe9Co cuboctahedra, edges with eight FeSm3Fe8Co cuboctahedra, faces with two CoSm3Fe9 cuboctahedra, and faces with eight FeSm2Fe9Co cuboctahedra. There are one shorter (2.46 Å) and one longer (2.47 Å) Fe–Co bond lengths. In the thirty-first Fe site, Fe is bonded to three Sm, eight Fe, and one Co atom to form FeSm3Fe8Co cuboctahedra that share corners with four CoSm3Fe9 cuboctahedra, corners with eleven FeSm2Fe9Co cuboctahedra, edges with eight FeSm3Fe8Co cuboctahedra, a faceface with one CoSm3Fe9 cuboctahedra, and faces with nine FeSm2Fe9Co cuboctahedra. The Fe–Co bond length is 2.47 Å. There are three inequivalent Co sites. In the first Co site, Co is bonded to three Sm and nine Fe atoms to form distorted CoSm3Fe9 cuboctahedra that share corners with two equivalent CoSm3Fe9 cuboctahedra, corners with thirteen FeSm2Fe9Co cuboctahedra, an edgeedge with one CoSm3Fe9 cuboctahedra, edges with seven FeSm2Fe9Co cuboctahedra, a faceface with one CoSm3Fe9 cuboctahedra, and faces with nine FeSm2Fe9Co cuboctahedra. In the second Co site, Co is bonded to three Sm and nine Fe atoms to form distorted CoSm3Fe9 cuboctahedra that share corners with two equivalent CoSm3Fe9 cuboctahedra, corners with thirteen FeSm2Fe9Co cuboctahedra, an edgeedge with one CoSm3Fe9 cuboctahedra, edges with seven FeSm2Fe9Co cuboctahedra, a faceface with one CoSm3Fe9 cuboctahedra, and faces with nine FeSm2Fe9Co cuboctahedra. In the third Co site, Co is bonded to three Sm and nine Fe atoms to form CoSm3Fe9 cuboctahedra that share corners with fifteen FeSm3Fe8Co cuboctahedra, edges with two CoSm3Fe9 cuboctahedra, edges with six FeSm2Fe9Co cuboctahedra, faces with two CoSm3Fe9 cuboctahedra, and faces with eight FeSm2Fe9Co cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sm2Fe15Co2 by Materials Project

Sm2Fe15Co2 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are two inequivalent Sm sites. In the first Sm site, Sm is bonded in a 10-coordinate geometry to seventeen Fe and two equivalent Co atoms. There are a spread of Sm–Fe bond distances ranging from 3.00–3.28 Å. Both Sm–Co bond lengths are 3.11 Å. In the second Sm site, Sm is bonded in a 10-coordinate geometry to fifteen Fe and four equivalent Co atoms. There are a spread of Sm–Fe bond distances ranging from 3.00–3.29 Å. There are two shorter (3.21 Å) and two longer (3.24 Å) Sm–Co bond lengths. There are ten inequivalent Fe sites. In the first Fe site, Fe is bonded in a 12-coordinate geometry to two Sm, nine Fe, and one Co atom. There are a spread of Fe–Fe bond distances ranging from 2.44–2.77 Å. The Fe–Co bond length is 2.65 Å. In the second Fe site, Fe is bonded in a 12-coordinate geometry to two Sm, nine Fe, and one Co atom. There are a spread of Fe–Fe bond distances ranging from 2.44–2.74 Å. The Fe–Co bond length is 2.53 Å. In the third Fe site, Fe is bonded in a 12-coordinate geometry to two Sm, eight Fe, and two equivalent Co atoms. There are a spread of Fe–Fe bond distances ranging from 2.45–2.76 Å. There are one shorter (2.53 Å) and one longer (2.66 Å) Fe–Co bond lengths. In the fourth Fe site, Fe is bonded to two Sm, nine Fe, and one Co atom to form distorted FeSm2Fe9Co cuboctahedra that share corners with four equivalent CoSm3Fe9 cuboctahedra, corners with ten FeSm2Fe9Co cuboctahedra, edges with two equivalent CoSm3Fe9 cuboctahedra, edges with four FeSm3Fe9 cuboctahedra, faces with two equivalent CoSm3Fe9 cuboctahedra, and faces with eight FeSm2Fe9Co cuboctahedra. There are a spread of Fe–Fe bond distances ranging from 2.45–2.61 Å. The Fe–Co bond length is 2.44 Å. In the fifth Fe site, Fe is bonded to two Sm, eight Fe, and two equivalent Co atoms to form distorted FeSm2Fe8Co2 cuboctahedra that share corners with two equivalent CoSm3Fe9 cuboctahedra, corners with twelve FeSm2Fe9Co cuboctahedra, edges with two equivalent CoSm3Fe9 cuboctahedra, edges with four FeSm3Fe9 cuboctahedra, faces with two equivalent CoSm3Fe9 cuboctahedra, and faces with eight FeSm2Fe9Co cuboctahedra. There are two shorter (2.46 Å) and two longer (2.60 Å) Fe–Fe bond lengths. Both Fe–Co bond lengths are 2.44 Å. In the sixth Fe site, Fe is bonded in a 2-coordinate geometry to one Sm and thirteen Fe atoms. There are a spread of Fe–Fe bond distances ranging from 2.40–2.67 Å. In the seventh Fe site, Fe is bonded in a 4-coordinate geometry to one Sm, eleven Fe, and two equivalent Co atoms. The Fe–Fe bond length is 2.62 Å. Both Fe–Co bond lengths are 2.63 Å. In the eighth Fe site, Fe is bonded to three Sm and nine Fe atoms to form FeSm3Fe9 cuboctahedra that share corners with fifteen FeSm2Fe9Co cuboctahedra, edges with four FeSm2Fe9Co cuboctahedra, edges with four equivalent CoSm3Fe9 cuboctahedra, faces with four equivalent CoSm3Fe9 cuboctahedra, and faces with six FeSm2Fe9Co cuboctahedra. Both Fe–Fe bond lengths are 2.48 Å. In the ninth Fe site, Fe is bonded to three Sm, eight Fe, and one Co atom to form FeSm3Fe8Co cuboctahedra that share corners with five equivalent CoSm3Fe9 cuboctahedra, corners with ten FeSm2Fe9Co cuboctahedra, an edgeedge with one CoSm3Fe9 cuboctahedra, edges with seven FeSm2Fe9Co cuboctahedra, faces with two equivalent CoSm3Fe9 cuboctahedra, and faces with eight FeSm2Fe9Co cuboctahedra. The Fe–Co bond length is 2.45 Å. In the tenth Fe site, Fe is bonded to three Sm, seven Fe, and two equivalent Co atoms to form FeSm3Fe7Co2 cuboctahedra that share corners with six equivalent CoSm3Fe9 cuboctahedra, corners with nine FeSm2Fe9Co cuboctahedra, edges with eight FeSm2Fe9Co cuboctahedra, faces with two equivalent CoSm3Fe9 cuboctahedra, and faces with eight FeSm2Fe9Co cuboctahedra. Both Fe–Co bond lengths are 2.47 Å. Co is bonded to three Sm and nine Fe atoms to form distorted CoSm3Fe9 cuboctahedra that share corners with two equivalent CoSm3Fe9 cuboctahedra, corners with thirteen FeSm2Fe9Co cuboctahedra, edges with two equivalent CoSm3Fe9 cuboctahedra, edges with six FeSm2Fe9Co cuboctahedra, faces with two equivalent CoSm3Fe9 cuboctahedra, and faces with eight FeSm2Fe9Co cuboctahedra.

36 MATERIALS SCIENCE↗