Citation: Moon, Dae Jun; Lim, Woo Taik; Peterson, Brian K.; Seff, Karl (2021). Using Crystallography and NMR to Count the Number of Three-Aluminum Six-Rings in Fully Zn2+-Exchanged Zeolite Y. These Six-Rings Concentrate at Single Six-Ring Positions. The Journal of Physical Chemistry C, 125, pp. 583-592.