Silica Coating of Metal-Loaded H-ZSM-22 to Form the Core-Shell Nanostructures: Characterization, Textural Properties, and Catalytic Potency in the Esterification of Oleic Acid

Table 3

XRD data of H-ZSM-22.

Crystal system	Space group	Space group number	a (Å)	b (Å)	c (Å)
Tetragonal	62/Cmc	62	8.36	5.352	1.562