Materials Data on Sr2Al by Materials Project
Sr2Al crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two inequivalent Sr sites. In the first Sr site, Sr is bonded in a 4-coordinate geometry to four equivalent Al atoms. There are a spread of Sr–Al bond distances ranging from 3.40–3.72 Å. In the second Sr site, Sr is bonded in a distorted see-saw-like geometry to four equivalent Al atoms. There are a spread of Sr–Al bond distances ranging from 3.41–3.51 Å. Al is bonded in a 8-coordinate geometry to eight Sr atoms.