FTIR FUNCTIONAL GROUP
Lewis acid site — FTIR absorption peaks and assignments
These are the characteristic FTIR wavenumbers where Lewis acid site tends to absorb, compiled from published literature and ranked by supporting evidence. Each assignment is traceable to a source (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 3 cited sources
Characteristic FTIR peaks for Lewis acid site
Literature behind these assignments
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2305 cm⁻¹ confidence 0.9
“Band at 2305 cm-1 assigned to Lewis sites based on intensity.”
Tarach 等 - 2017 - Acidity and accessibility studies of desilicated Z DOI: 10.1039/c6cy02609e -
2297 cm⁻¹ confidence 0.8
“Band at ca. 2297 for acetonitrile on Lewis sites”
Miletto 等 - 2018 - In Situ FT-IR Characterization of CuZnZrFerrierit DOI: 10.3390/ma11112275 -
3666 cm⁻¹ confidence 0.8
“Text: 'band at 3666 albeit with negligible intensity' and 'relatively high concentration of Lewis acid sites'.”
Pyra 等 - 2020 - Evaluation of the Textural Parameters of Zeolite B DOI: 10.3390/molecules25040926
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