Vibrational spectroscopy of H2, N2, CO and NO adsorbed on H, Li, Na, K-exchanged ferrierite

A DFT study of adsorption hydrogen on the Li-FAU zeolite

“…The adsorption energy is inversely proportional to the stability of the site. This trend is consistent with those previously reported from experimental and theoretical results for the adsorption of H 2 in metal-exchanged ferrierite [35], MOR [36], FER [11,37] or other gases in various zeolite systems [38][39][40][41][42]. The more tightly the extra-framework cation binds to the zeolite framework, the lower the adsorption strength of the cation is.…”

Structural Analysis of High-Silica Ferrierite with Different Structure-Directing Agents by Solid-State NMR and Ab Initio Calculations

“…The model structures of the SDA-containing FER were build based on the adjacent binding site with the 10-MR main channel. For the cluster model of aluminosilicate, the silicon atom at site T2 in the 10-MR 23 replaces the aluminum atom. The SDA molecule was imposed into the possible binding sites as a starting conformer.…”

Periodic model of an LTA framework

“…Vibrational spectroscopy is one of the most important experimental methods used in studies of zeolite structures [3][4][5][6][7][8][9][10]. It allows various frameworks to be identified and structural deformation to be specified using the envelope and integral intensities of bands in the pseudolattice region of the spectrum (linked to characteristic ring vibrations [11]).…”