DOI: 10.17188/1751720
title: Materials Data on Lu12Co31Sn16 by Materials Project

description: Lu12Co31Sn16 is Bergman Structure: Mg32(Al,Zn)49 Bergman-like structured and crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are eight inequivalent Lu sites. In the first Lu site, Lu is bonded in a 12-coordinate geometry to six Co and six Sn atoms. There are a spread of Lu–Co bond distances ranging from 2.99–3.35 Å. There are a spread of Lu–Sn bond distances ranging from 3.12–3.23 Å. In the second Lu site, Lu is bonded in a 11-coordinate geometry to six Co and six Sn atoms. There are a spread of Lu–Co bond distances ranging from 3.00–3.51 Å. There are a spread of Lu–Sn bond distances ranging from 3.10–3.24 Å. In the third Lu site, Lu is bonded in a 12-coordinate geometry to six Co and six Sn atoms. There are a spread of Lu–Co bond distances ranging from 3.01–3.37 Å. There are a spread of Lu–Sn bond distances ranging from 3.12–3.24 Å. In the fourth Lu site, Lu is bonded in a 11-coordinate geometry to five Co and six Sn atoms. There are a spread of Lu–Co bond distances ranging from 2.99–3.09 Å. There are a spread of Lu–Sn bond distances ranging from 3.10–3.25 Å. In the fifth Lu site, Lu is bonded in a 12-coordinate geometry to eight Co and six Sn atoms. There are a spread of Lu–Co bond distances ranging from 2.99–3.52 Å. There are a spread of Lu–Sn bond distances ranging from 3.12–3.24 Å. In the sixth Lu site, Lu is bonded in a 11-coordinate geometry to seven Co and six Sn atoms. There are a spread of Lu–Co bond distances ranging from 2.98–3.52 Å. There are a spread of Lu–Sn bond distances ranging from 3.11–3.25 Å. In the seventh Lu site, Lu is bonded in a 11-coordinate geometry to seven Co and six Sn atoms. There are a spread of Lu–Co bond distances ranging from 2.99–3.49 Å. There are a spread of Lu–Sn bond distances ranging from 3.11–3.26 Å. In the eighth Lu site, Lu is bonded in a 12-coordinate geometry to eight Co and six Sn atoms. There are a spread of Lu–Co bond distances ranging from 2.98–3.51 Å. There are a spread of Lu–Sn bond distances ranging from 3.12–3.25 Å. There are twenty-three inequivalent Co sites. In the first Co site, Co is bonded to two Lu, seven Co, and three Sn atoms to form distorted CoLu2Co7Sn3 cuboctahedra that share corners with four CoLu2Co7Sn3 cuboctahedra, corners with four SnLu4Co8 cuboctahedra, faces with four SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are a spread of Co–Co bond distances ranging from 2.38–2.64 Å. There are a spread of Co–Sn bond distances ranging from 2.62–2.72 Å. In the second Co site, Co is bonded to two Lu, seven Co, and three Sn atoms to form distorted CoLu2Co7Sn3 cuboctahedra that share corners with four CoLu2Co7Sn3 cuboctahedra, corners with four SnLu4Co8 cuboctahedra, faces with five SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are a spread of Co–Co bond distances ranging from 2.37–2.63 Å. There are a spread of Co–Sn bond distances ranging from 2.62–2.71 Å. In the third Co site, Co is bonded to two equivalent Lu, seven Co, and three Sn atoms to form distorted CoLu2Co7Sn3 cuboctahedra that share corners with four CoLu2Co7Sn3 cuboctahedra, corners with five SnLu4Co8 cuboctahedra, faces with five SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are a spread of Co–Co bond distances ranging from 2.37–2.54 Å. There are one shorter (2.61 Å) and two longer (2.64 Å) Co–Sn bond lengths. In the fourth Co site, Co is bonded to two equivalent Lu, seven Co, and three Sn atoms to form distorted CoLu2Co7Sn3 cuboctahedra that share corners with three SnLu4Co8 cuboctahedra, corners with four CoLu2Co7Sn3 cuboctahedra, faces with four SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are a spread of Co–Co bond distances ranging from 2.37–2.53 Å. There are one shorter (2.63 Å) and two longer (2.71 Å) Co–Sn bond lengths. In the fifth Co site, Co is bonded to two Lu, seven Co, and three Sn atoms to form distorted CoLu2Co7Sn3 cuboctahedra that share corners with four CoLu2Co7Sn3 cuboctahedra, corners with five SnLu4Co8 cuboctahedra, faces with five SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are a spread of Co–Co bond distances ranging from 2.38–2.63 Å. There are a spread of Co–Sn bond distances ranging from 2.60–2.64 Å. In the sixth Co site, Co is bonded to two Lu, seven Co, and three Sn atoms to form distorted CoLu2Co7Sn3 cuboctahedra that share corners with two SnLu4Co8 cuboctahedra, corners with four CoLu2Co7Sn3 cuboctahedra, faces with four SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are a spread of Co–Co bond distances ranging from 2.36–2.65 Å. There are a spread of Co–Sn bond distances ranging from 2.63–2.66 Å. In the seventh Co site, Co is bonded to two equivalent Lu, seven Co, and three Sn atoms to form distorted CoLu2Co7Sn3 cuboctahedra that share corners with four CoLu2Co7Sn3 cuboctahedra, corners with five SnLu4Co8 cuboctahedra, faces with four SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are a spread of Co–Co bond distances ranging from 2.38–2.56 Å. There are one shorter (2.59 Å) and two longer (2.62 Å) Co–Sn bond lengths. In the eighth Co site, Co is bonded to two equivalent Lu, seven Co, and three Sn atoms to form distorted CoLu2Co7Sn3 cuboctahedra that share corners with two equivalent SnLu4Co8 cuboctahedra, corners with four CoLu2Co7Sn3 cuboctahedra, faces with five SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are a spread of Co–Co bond distances ranging from 2.35–2.56 Å. There are two shorter (2.64 Å) and one longer (2.67 Å) Co–Sn bond lengths. In the ninth Co site, Co is bonded in a 12-coordinate geometry to four Lu, four Co, and four Sn atoms. The Co–Co bond length is 2.49 Å. There are a spread of Co–Sn bond distances ranging from 2.61–2.78 Å. In the tenth Co site, Co is bonded in a 12-coordinate geometry to four Lu, four Co, and four Sn atoms. The Co–Co bond length is 2.46 Å. There are a spread of Co–Sn bond distances ranging from 2.61–2.77 Å. In the eleventh Co site, Co is bonded in a 12-coordinate geometry to four Lu, four Co, and four Sn atoms. The Co–Co bond length is 2.50 Å. There are a spread of Co–Sn bond distances ranging from 2.62–2.76 Å. In the twelfth Co site, Co is bonded in a 12-coordinate geometry to four Lu, four Co, and four Sn atoms. The Co–Co bond length is 2.45 Å. There are a spread of Co–Sn bond distances ranging from 2.63–2.78 Å. In the thirteenth Co site, Co is bonded in a 12-coordinate geometry to two Lu, four Co, and four Sn atoms. The Co–Co bond length is 2.48 Å. There are a spread of Co–Sn bond distances ranging from 2.62–2.76 Å. In the fourteenth Co site, Co is bonded in a 12-coordinate geometry to two Lu, four Co, and four Sn atoms. The Co–Co bond length is 2.48 Å. There are a spread of Co–Sn bond distances ranging from 2.61–2.74 Å. In the fifteenth Co site, Co is bonded in a 12-coordinate geometry to two equivalent Lu, four Co, and four Sn atoms. The Co–Co bond length is 2.49 Å. There are a spread of Co–Sn bond distances ranging from 2.63–2.75 Å. In the sixteenth Co site, Co is bonded in a 12-coordinate geometry to four Lu, four Co, and four Sn atoms. The Co–Co bond length is 2.49 Å. There are a spread of Co–Sn bond distances ranging from 2.62–2.72 Å. In the seventeenth Co site, Co is bonded to nine Co and three Sn atoms to form CoCo9Sn3 cuboctahedra that share corners with two equivalent SnLu4Co8 cuboctahedra, faces with five SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are two shorter (2.65 Å) and one longer (2.68 Å) Co–Sn bond lengths. In the eighteenth Co site, Co is bonded to nine Co and three Sn atoms to form CoCo9Sn3 cuboctahedra that share a cornercorner with one SnLu4Co8 cuboctahedra, faces with four SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. All Co–Sn bond lengths are 2.65 Å. In the nineteenth Co site, Co is bonded to nine Co and three Sn atoms to form CoCo9Sn3 cuboctahedra that share corners with three SnLu4Co8 cuboctahedra, faces with five SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are two shorter (2.66 Å) and one longer (2.78 Å) Co–Sn bond lengths. In the twentieth Co site, Co is bonded to nine Co and three Sn atoms to form CoCo9Sn3 cuboctahedra that share corners with three SnLu4Co8 cuboctahedra, faces with four SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. There are one shorter (2.69 Å) and two longer (2.77 Å) Co–Sn bond lengths. In the twenty-first Co site, Co is bonded in a 10-coordinate geometry to six Lu and four Sn atoms. There are three shorter (2.48 Å) and one longer (2.64 Å) Co–Sn bond lengths. In the twenty-second Co site, Co is bonded in a 10-coordinate geometry to six Lu and four Sn atoms. There are a spread of Co–Sn bond distances ranging from 2.48–2.64 Å. In the twenty-third Co site, Co is bonded in a 10-coordinate geometry to six Lu and four Sn atoms. There are a spread of Co–Sn bond distances ranging from 2.48–2.61 Å. There are twelve inequivalent Sn sites. In the first Sn site, Sn is bonded to four Lu and eight Co atoms to form distorted SnLu4Co8 cuboctahedra that share corners with two equivalent SnLu4Co8 cuboctahedra, corners with six CoCo9Sn3 cuboctahedra, faces with six SnLu4Co8 cuboctahedra, and faces with eight CoLu2Co7Sn3 cuboctahedra. In the second Sn site, Sn is bonded to four Lu and eight Co atoms to form distorted SnLu4Co8 cuboctahedra that share corners with two equivalent SnLu4Co8 cuboctahedra, corners with six CoCo9Sn3 cuboctahedra, faces with six SnLu4Co8 cuboctahedra, and faces with eight CoLu2Co7Sn3 cuboctahedra. In the third Sn site, Sn is bonded to four Lu and eight Co atoms to form distorted SnLu4Co8 cuboctahedra that share corners with four equivalent SnLu4Co8 cuboctahedra, corners with six CoCo9Sn3 cuboctahedra, faces with eight CoCo9Sn3 cuboctahedra, and faces with eight SnLu4Co8 cuboctahedra. In the fourth Sn site, Sn is bonded to four Lu and eight Co atoms to form distorted SnLu4Co8 cuboctahedra that share corners with six CoCo9Sn3 cuboctahedra, faces with four SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. In the fifth Sn site, Sn is bonded to four Lu and eight Co atoms to form SnLu4Co8 cuboctahedra that share corners with four SnLu4Co8 cuboctahedra, corners with six CoCo9Sn3 cuboctahedra, faces with seven SnLu4Co8 cuboctahedra, and faces with eight CoLu2Co7Sn3 cuboctahedra. In the sixth Sn site, Sn is bonded in a 11-coordinate geometry to four Lu and seven Co atoms. In the seventh Sn site, Sn is bonded to four Lu and eight Co atoms to form distorted SnLu4Co8 cuboctahedra that share corners with four equivalent SnLu4Co8 cuboctahedra, corners with six CoCo9Sn3 cuboctahedra, faces with six SnLu4Co8 cuboctahedra, and faces with eight CoCo9Sn3 cuboctahedra. In the eighth Sn site, Sn is bonded in a 11-coordinate geometry to four Lu and seven Co atoms. In the ninth Sn site, Sn is bonded in a 10-coordinate geometry to six Lu and four Co atoms. In the tenth Sn site, Sn is bonded in a 10-coordinate geometry to six Lu and four Co atoms. In the eleventh Sn site, Sn is bonded in a 10-coordinate geometry to six Lu and four Co atoms. In the twelfth Sn site, Sn is bonded in a 9-coordinate geometry to six Lu and three Co atoms.