Issue 19, 2001
From the journal:

Physical Chemistry Chemical Physics

Formation of several types of coordination complexes upon CO adsorption on the zeolite Li-ZSM-5

C. Otero Areán,*a   O. V. Manoilova,b   M. Rodríguez Delgado,a   A. A. Tsyganenkob  and  E. Garronec  

* Corresponding authors

a Departamento de Química, Uniersidad de las Islas Baleares, Palma de Mallorca, Spain

b Institute of Physics, St. Petersburg Uniersity, St. Petersburg, Russia

c Dipartimento di Scienza dei Materiali ed Ingegneria Chimica, Politecnico di Torino, Turin, Italy

Abstract

Carbon monoxide adsorbed at 77 K on Li-ZSM-5 gives Li+···CO and Li+(CO)2 adducts characterized by C–O stretching bands at 2195 and 2188 cm−1, respectively. Variable temperature FTIR spectroscopy has shown that, at a higher temperature, formation of Li+···OC and Li+(CO,OC) species also occurs; the corresponding C–O stretching mode of O-bonded carbon monoxide appears at 2100 and 2110 cm−1, respectively. The relative amount of O-bonded CO increases with increasing temperature, in agreement with the fact that cation–CO interaction energy is higher for C-bonded carbon monoxide.

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Article information

DOI
https://doi.org/10.1039/B105669G
Article type
Communication
Submitted
28 Jun 2001
Accepted
30 Jul 2001
First published
05 Sep 2001

Phys. Chem. Chem. Phys., 2001,3, 4187-4188

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Formation of several types of coordination complexes upon CO adsorption on the zeolite Li-ZSM-5

C. Otero Areán, O. V. Manoilova, M. Rodríguez Delgado, A. A. Tsyganenko and E. Garrone, Phys. Chem. Chem. Phys., 2001, 3, 4187 DOI: 10.1039/B105669G

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