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Quantum chemical and FTIR spectroscopic studies on the linkage isomerism of carbon monoxide in alkali-metal-exchanged zeolites : A review of current research. / Areán, C. Otero; Palomino, G. Turnes; Tsyganenko, A. A.; Garrone, E.

In: International Journal of Molecular Sciences, Vol. 3, No. 7, 01.01.2002, p. 764-776.

Research output: Contribution to journal › Review article › peer-review

Harvard

Areán, CO, Palomino, GT, Tsyganenko, AA & Garrone, E 2002, 'Quantum chemical and FTIR spectroscopic studies on the linkage isomerism of carbon monoxide in alkali-metal-exchanged zeolites: A review of current research', International Journal of Molecular Sciences, vol. 3, no. 7, pp. 764-776. https://doi.org/10.3390/i3070764

APA

Areán, C. O., Palomino, G. T., Tsyganenko, A. A., & Garrone, E. (2002). Quantum chemical and FTIR spectroscopic studies on the linkage isomerism of carbon monoxide in alkali-metal-exchanged zeolites: A review of current research. International Journal of Molecular Sciences, 3(7), 764-776. https://doi.org/10.3390/i3070764

Vancouver

Areán CO, Palomino GT, Tsyganenko AA, Garrone E. Quantum chemical and FTIR spectroscopic studies on the linkage isomerism of carbon monoxide in alkali-metal-exchanged zeolites: A review of current research. International Journal of Molecular Sciences. 2002 Jan 1;3(7):764-776. https://doi.org/10.3390/i3070764

Author

Areán, C. Otero ; Palomino, G. Turnes ; Tsyganenko, A. A. ; Garrone, E. / Quantum chemical and FTIR spectroscopic studies on the linkage isomerism of carbon monoxide in alkali-metal-exchanged zeolites : A review of current research. In: International Journal of Molecular Sciences. 2002 ; Vol. 3, No. 7. pp. 764-776.

BibTeX

@article{39b8601af47742fb8907135949cc2581,
title = "Quantum chemical and FTIR spectroscopic studies on the linkage isomerism of carbon monoxide in alkali-metal-exchanged zeolites: A review of current research",
abstract = "When adsorbed (at a low temperature) on alkali-metal-exchanged zeolites, CO forms both M(CO)+ and M(OC)+ carbonyl species with the extra-framework alkali-metal cation of the zeolite. Both quantum chemical and experimental results show that C-bonded adducts are characterized by a C-O stretching IR band at a frequency higher than that of 2143 cm-1 for free CO, while for O-bonded adducts this IR band appears below 2143 cm -1. The cation-CO interaction energy is higher for M(CO)+ than for M(OC)+ carbonyls, although the corresponding difference decreases substantially when going from Li+ to Cs+. By means of variable-temperature FTIR spectroscopy, this energy difference was determined for several alkali-metal cations, and the existence of a thermal equilibrium between M(CO)+ and M(OC)+ species was established. The current state of research in this field is reviewed here, with a view to gain more insight into the thermal isomerization process.",
keywords = "Alkali metal carbonyls, CO adsorption, FTIR spectroscopy, Linkage isomerism, Zeolites",
author = "Are{\'a}n, {C. Otero} and Palomino, {G. Turnes} and Tsyganenko, {A. A.} and E. Garrone",
year = "2002",
month = jan,
day = "1",
doi = "10.3390/i3070764",
language = "English",
volume = "3",
pages = "764--776",
journal = "International Journal of Molecular Sciences",
issn = "1422-0067",
publisher = "MDPI AG",
number = "7",

}

RIS

TY - JOUR

T1 - Quantum chemical and FTIR spectroscopic studies on the linkage isomerism of carbon monoxide in alkali-metal-exchanged zeolites

T2 - A review of current research

AU - Areán, C. Otero

AU - Palomino, G. Turnes

AU - Tsyganenko, A. A.

AU - Garrone, E.

PY - 2002/1/1

Y1 - 2002/1/1

N2 - When adsorbed (at a low temperature) on alkali-metal-exchanged zeolites, CO forms both M(CO)+ and M(OC)+ carbonyl species with the extra-framework alkali-metal cation of the zeolite. Both quantum chemical and experimental results show that C-bonded adducts are characterized by a C-O stretching IR band at a frequency higher than that of 2143 cm-1 for free CO, while for O-bonded adducts this IR band appears below 2143 cm -1. The cation-CO interaction energy is higher for M(CO)+ than for M(OC)+ carbonyls, although the corresponding difference decreases substantially when going from Li+ to Cs+. By means of variable-temperature FTIR spectroscopy, this energy difference was determined for several alkali-metal cations, and the existence of a thermal equilibrium between M(CO)+ and M(OC)+ species was established. The current state of research in this field is reviewed here, with a view to gain more insight into the thermal isomerization process.

AB - When adsorbed (at a low temperature) on alkali-metal-exchanged zeolites, CO forms both M(CO)+ and M(OC)+ carbonyl species with the extra-framework alkali-metal cation of the zeolite. Both quantum chemical and experimental results show that C-bonded adducts are characterized by a C-O stretching IR band at a frequency higher than that of 2143 cm-1 for free CO, while for O-bonded adducts this IR band appears below 2143 cm -1. The cation-CO interaction energy is higher for M(CO)+ than for M(OC)+ carbonyls, although the corresponding difference decreases substantially when going from Li+ to Cs+. By means of variable-temperature FTIR spectroscopy, this energy difference was determined for several alkali-metal cations, and the existence of a thermal equilibrium between M(CO)+ and M(OC)+ species was established. The current state of research in this field is reviewed here, with a view to gain more insight into the thermal isomerization process.

KW - Alkali metal carbonyls

KW - CO adsorption

KW - FTIR spectroscopy

KW - Linkage isomerism

KW - Zeolites

UR - http://www.scopus.com/inward/record.url?scp=3242731917&partnerID=8YFLogxK

U2 - 10.3390/i3070764

DO - 10.3390/i3070764

M3 - Review article

AN - SCOPUS:3242731917

VL - 3

SP - 764

EP - 776

JO - International Journal of Molecular Sciences

JF - International Journal of Molecular Sciences

SN - 1422-0067

IS - 7

ER -

ID: 41680323