Conclusions
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1.
CO2 interacts with the hydrogen forms of type Y zeolites, erionite, and mordenite without experiencing any loss in symmetry.
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2.
The adsorption of CO2 at 20°C on zeolites containing monovalent cations involves ion-dipole cation interaction in the case of A, X, and Y zeolites, erionite, and mordenite, and the formation of more stable carbonate structures in the case of the A, X, and Y zeolites. Transition between the bidentate coordinated carbonate structure and the carbonate ion proceeds through adsorbed forms of CO2 resulting from ion-dipole interactions.
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3.
The symmetry of stable carbonate structures established on the Ca forms of zeolites A, X, and Y can alter under the action of various adsorbates.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1461–1466, July, 1976.
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Nabiev, B.A., Lafer, L.I., Yakerson, V.I. et al. IR spectra of catalysts and adsorbed molecules. Russ Chem Bull 25, 1398–1402 (1976). https://doi.org/10.1007/BF00920804
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DOI: https://doi.org/10.1007/BF00920804