Extended Data Fig. 8: The adsorption energies of (Pt–Sn2)x clusters within the MFI framework.
From: Pt migration–lockup in zeolite for stable propane dehydrogenation catalyst

Optimized structure and adsorption energy of one Pt–Sn2 cluster located at intersection site (a), zigzag (b) and straight channels (c), one (Pt–Sn2)2 cluster located at intersection site (d), intersection site with the formation of Pt–Si and Pt–O bonds (e), zigzag (f) and straight channels (g), one (Pt–Sn2)3 (h) and one (Pt–Sn2)4 (i) cluster located at intersection site in the channels of S-1.