Materials Data on Y3Co6Sn5 by Materials Project
Y3Co6Sn5 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are two inequivalent Y sites. In the first Y site, Y is bonded to four equivalent Co and eight equivalent Sn atoms to form distorted YCo4Sn8 cuboctahedra that share edges with two equivalent SnY4Co8 cuboctahedra and faces with two equivalent YCo4Sn8 cuboctahedra. All Y–Co bond lengths are 2.96 Å. All Y–Sn bond lengths are 3.43 Å. In the second Y site, Y is bonded in a 8-coordinate geometry to six Co and eight Sn atoms. There are two shorter (2.96 Å) and four longer (3.21 Å) Y–Co bond lengths. There are a spread of Y–Sn bond distances ranging from 3.12–3.30 Å. There are two inequivalent Co sites. In the first Co site, Co is bonded in a 10-coordinate geometry to two equivalent Y, four equivalent Co, and four Sn atoms. All Co–Co bond lengths are 2.54 Å. There are two shorter (2.58 Å) and two longer (2.88 Å) Co–Sn bond lengths. In the second Co site, Co is bonded in a 10-coordinate geometry to three Y, three Co, and four Sn atoms. The Co–Co bond length is 2.65 Å. There are a spread of Co–Sn bond distances ranging from 2.56–2.74 Å. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a 12-coordinate geometry to five Y, four Co, and one Sn atom. The Sn–Sn bond length is 3.07 Å. In the second Sn site, Sn is bonded to four equivalent Y and eight Co atoms to form SnY4Co8 cuboctahedra that share edges with two equivalent YCo4Sn8 cuboctahedra and faces with two equivalent SnY4Co8 cuboctahedra.