Materials Data on Cs5Sb8 by Materials Project
Cs5Sb8 is Magnesium tetraboride-like structured and crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are five inequivalent Cs1+ sites. In the first Cs1+ site, Cs1+ is bonded in a 8-coordinate geometry to eight Sb+0.62- atoms. There are a spread of Cs–Sb bond distances ranging from 3.86–4.33 Å. In the second Cs1+ site, Cs1+ is bonded in a 7-coordinate geometry to seven Sb+0.62- atoms. There are a spread of Cs–Sb bond distances ranging from 3.77–4.30 Å. In the third Cs1+ site, Cs1+ is bonded in a 7-coordinate geometry to seven Sb+0.62- atoms. There are a spread of Cs–Sb bond distances ranging from 3.93–4.39 Å. In the fourth Cs1+ site, Cs1+ is bonded in a 7-coordinate geometry to seven Sb+0.62- atoms. There are a spread of Cs–Sb bond distances ranging from 3.80–4.24 Å. In the fifth Cs1+ site, Cs1+ is bonded in a 8-coordinate geometry to eight Sb+0.62- atoms. There are a spread of Cs–Sb bond distances ranging from 3.86–4.32 Å. There are eight inequivalent Sb+0.62- sites. In the first Sb+0.62- site, Sb+0.62- is bonded in a 7-coordinate geometry to five Cs1+ and two Sb+0.62- atoms. There are one shorter (2.81 Å) and one longer (2.94 Å) Sb–Sb bond lengths. In the second Sb+0.62- site, Sb+0.62- is bonded in a 8-coordinate geometry to six Cs1+ and two Sb+0.62- atoms. The Sb–Sb bond length is 2.89 Å. In the third Sb+0.62- site, Sb+0.62- is bonded in a 8-coordinate geometry to six Cs1+ and two Sb+0.62- atoms. There are one shorter (2.86 Å) and one longer (2.89 Å) Sb–Sb bond lengths. In the fourth Sb+0.62- site, Sb+0.62- is bonded in a 6-coordinate geometry to three Cs1+ and three Sb+0.62- atoms. There are two shorter (2.84 Å) and one longer (2.99 Å) Sb–Sb bond lengths. In the fifth Sb+0.62- site, Sb+0.62- is bonded in a 7-coordinate geometry to five Cs1+ and two Sb+0.62- atoms. In the sixth Sb+0.62- site, Sb+0.62- is bonded in a 7-coordinate geometry to four Cs1+ and three Sb+0.62- atoms. In the seventh Sb+0.62- site, Sb+0.62- is bonded in a 7-coordinate geometry to five Cs1+ and two Sb+0.62- atoms. The Sb–Sb bond length is 2.86 Å. In the eighth Sb+0.62- site, Sb+0.62- is bonded in a 6-coordinate geometry to three Cs1+ and three Sb+0.62- atoms. The Sb–Sb bond length is 2.95 Å.