Materials Data on Rb3Sn4Au by Materials Project
Rb3AuSn4 crystallizes in the orthorhombic Pmmn space group. The structure is three-dimensional. there are two inequivalent Rb sites. In the first Rb site, Rb is bonded in a 12-coordinate geometry to two equivalent Au and two equivalent Sn atoms. Both Rb–Au bond lengths are 3.90 Å. Both Rb–Sn bond lengths are 3.67 Å. In the second Rb site, Rb is bonded in a 6-coordinate geometry to three Sn atoms. There are one shorter (3.57 Å) and two longer (3.70 Å) Rb–Sn bond lengths. Au is bonded in a 6-coordinate geometry to two equivalent Rb and four Sn atoms. There are two shorter (2.79 Å) and two longer (2.80 Å) Au–Sn bond lengths. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a 4-coordinate geometry to three Rb and one Au atom. In the second Sn site, Sn is bonded in a 2-coordinate geometry to one Rb and one Au atom.