Materials Data on Ho4FeSn8 by Materials Project
Ho4FeSn8 crystallizes in the orthorhombic Pmm2 space group. The structure is three-dimensional. there are four inequivalent Ho sites. In the first Ho site, Ho is bonded in a 10-coordinate geometry to ten Sn atoms. There are a spread of Ho–Sn bond distances ranging from 3.19–3.48 Å. In the second Ho site, Ho is bonded in a 10-coordinate geometry to ten Sn atoms. There are a spread of Ho–Sn bond distances ranging from 3.19–3.33 Å. In the third Ho site, Ho is bonded in a 4-coordinate geometry to four equivalent Fe and ten Sn atoms. All Ho–Fe bond lengths are 3.48 Å. There are a spread of Ho–Sn bond distances ranging from 3.30–3.70 Å. In the fourth Ho site, Ho is bonded in a 10-coordinate geometry to ten Sn atoms. There are a spread of Ho–Sn bond distances ranging from 3.20–3.52 Å. Fe is bonded in a 5-coordinate geometry to four equivalent Ho and five Sn atoms. There are a spread of Fe–Sn bond distances ranging from 2.47–2.51 Å. There are eight inequivalent Sn sites. In the first Sn site, Sn is bonded in a 1-coordinate geometry to six Ho, one Fe, and two equivalent Sn atoms. Both Sn–Sn bond lengths are 2.97 Å. In the second Sn site, Sn is bonded in a 4-coordinate geometry to six Ho and two equivalent Sn atoms. Both Sn–Sn bond lengths are 3.08 Å. In the third Sn site, Sn is bonded in a 4-coordinate geometry to six Ho and two equivalent Sn atoms. In the fourth Sn site, Sn is bonded in a 4-coordinate geometry to six Ho and two equivalent Sn atoms. In the fifth Sn site, Sn is bonded in a 2-coordinate geometry to four Ho, two equivalent Fe, and four equivalent Sn atoms. All Sn–Sn bond lengths are 3.15 Å. In the sixth Sn site, Sn is bonded in a 8-coordinate geometry to four Ho and four equivalent Sn atoms. All Sn–Sn bond lengths are 3.15 Å. In the seventh Sn site, Sn is bonded in a 2-coordinate geometry to four Ho, two equivalent Fe, and four equivalent Sn atoms. In the eighth Sn site, Sn is bonded in a 8-coordinate geometry to four Ho and four equivalent Sn atoms.