Table 2. Ranges of shortest Si—T distances d with respect to the crystal system.

	Shortest Si—T distance d (Å)
	Mayer et al. (1962 ▸)	This article
Crystal system	Disilicides	Disilicides	All
ortho. AlB2-like	–	–	2.35⋯2.49
AlB2-like	2.16⋯2.18	2.16⋯2.34	2.11⋯2.41
GdSi2	2.22⋯2.28	2.20⋯2.32	2.20⋯2.33
ThSi2	2.28⋯2.31	2.21⋯2.40	2.21⋯2.43