DOI: 10.17188/1279950
title: Materials Data on Yb8Si11 by Materials Project

description: Yb8Si11 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eight inequivalent Yb+2.50+ sites. In the first Yb+2.50+ site, Yb+2.50+ is bonded to twelve Si+1.82- atoms to form distorted face-sharing YbSi12 cuboctahedra. There are a spread of Yb–Si bond distances ranging from 3.08–3.40 Å. In the second Yb+2.50+ site, Yb+2.50+ is bonded in a 10-coordinate geometry to ten Si+1.82- atoms. There are a spread of Yb–Si bond distances ranging from 3.08–3.22 Å. In the third Yb+2.50+ site, Yb+2.50+ is bonded in a 7-coordinate geometry to seven Si+1.82- atoms. There are a spread of Yb–Si bond distances ranging from 3.06–3.11 Å. In the fourth Yb+2.50+ site, Yb+2.50+ is bonded in a 7-coordinate geometry to seven Si+1.82- atoms. There are a spread of Yb–Si bond distances ranging from 3.00–3.14 Å. In the fifth Yb+2.50+ site, Yb+2.50+ is bonded in a 7-coordinate geometry to seven Si+1.82- atoms. There are a spread of Yb–Si bond distances ranging from 3.03–3.09 Å. In the sixth Yb+2.50+ site, Yb+2.50+ is bonded in a 7-coordinate geometry to seven Si+1.82- atoms. There are a spread of Yb–Si bond distances ranging from 3.03–3.10 Å. In the seventh Yb+2.50+ site, Yb+2.50+ is bonded in a 10-coordinate geometry to ten Si+1.82- atoms. There are a spread of Yb–Si bond distances ranging from 3.07–3.26 Å. In the eighth Yb+2.50+ site, Yb+2.50+ is bonded in a 10-coordinate geometry to ten Si+1.82- atoms. There are a spread of Yb–Si bond distances ranging from 3.07–3.26 Å. There are eleven inequivalent Si+1.82- sites. In the first Si+1.82- site, Si+1.82- is bonded in a 8-coordinate geometry to six Yb+2.50+ and two Si+1.82- atoms. There are one shorter (2.44 Å) and one longer (2.45 Å) Si–Si bond lengths. In the second Si+1.82- site, Si+1.82- is bonded in a 9-coordinate geometry to six Yb+2.50+ and three Si+1.82- atoms. There are a spread of Si–Si bond distances ranging from 2.38–2.40 Å. In the third Si+1.82- site, Si+1.82- is bonded in a 9-coordinate geometry to seven Yb+2.50+ and two Si+1.82- atoms. The Si–Si bond length is 2.39 Å. In the fourth Si+1.82- site, Si+1.82- is bonded in a 9-coordinate geometry to seven Yb+2.50+ and two Si+1.82- atoms. The Si–Si bond length is 2.39 Å. In the fifth Si+1.82- site, Si+1.82- is bonded in a 9-coordinate geometry to seven Yb+2.50+ and two Si+1.82- atoms. The Si–Si bond length is 2.39 Å. In the sixth Si+1.82- site, Si+1.82- is bonded in a 9-coordinate geometry to six Yb+2.50+ and three Si+1.82- atoms. There are one shorter (2.37 Å) and one longer (2.39 Å) Si–Si bond lengths. In the seventh Si+1.82- site, Si+1.82- is bonded in a 9-coordinate geometry to six Yb+2.50+ and three Si+1.82- atoms. The Si–Si bond length is 2.34 Å. In the eighth Si+1.82- site, Si+1.82- is bonded in a 6-coordinate geometry to six Yb+2.50+ and two Si+1.82- atoms. The Si–Si bond length is 2.38 Å. In the ninth Si+1.82- site, Si+1.82- is bonded in a 9-coordinate geometry to six Yb+2.50+ and three Si+1.82- atoms. The Si–Si bond length is 2.38 Å. In the tenth Si+1.82- site, Si+1.82- is bonded in a 6-coordinate geometry to six Yb+2.50+ and two Si+1.82- atoms. In the eleventh Si+1.82- site, Si+1.82- is bonded in a 9-coordinate geometry to seven Yb+2.50+ and two Si+1.82- atoms.