What absorbs at 1553 cm⁻¹ in an FTIR spectrum?
A band near 1553 cm⁻¹ can point to several functional groups. Below are the most likely assignments, ranked by how much published evidence supports each — every one traceable to literature (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 7 cited sources
Posibles asignaciones de grupos funcionales
| Grupo funcional | Hechos de respaldo | Fuentes citadas | Confianza máxima |
|---|---|---|---|
| Amide | 2 | 2 | 0,9 |
| Carboxyl (COOH) | 2 | 2 | 0,9 |
| Hydroxyl (O-H) | 1 | 1 | 0,8 |
La clasificación refleja la evidencia acumulada de la literatura, no una única regla autorizada. Siempre confirme según el contexto de su muestra.
Literatura detrás de estas asignaciones
-
confianza 0,9
“Text: 'The amide VI band at 1553cm-1'.”
Zhang 等 - 2003 - gamma-Crystalline form of nylon-10,10 in nylon-10, DOI: 10.1002/pi.1154 -
Carboxyl (COOH) confianza 0,9
“monodentate peak at 1,553”
Edington 等 - 2018 - Coordination to lanthanide ions distorts binding s DOI: 10.1073/pnas.1722042115 -
Carboxyl (COOH) confianza 0,9
“absorption around 1553 corresponds to bidentate carboxylate groups”
Edington 等 - 2019 - Non-Additive Effects of Binding Site Mutations in DOI: 10.1021/acs.biochem.9b00096. -
confianza 0,9
“Prepared zeolites show band centered at 1553 cm-1.”
Komaty 等 - 2018 - A Facile Route toward the Increase of Oxygen Conte DOI: 10.3390/molecules23020037 -
Amide confianza 0,9
“Split in amide II band into 1553 cm-1.”
Prasad 等 - 2011 - Biophysical assessment of DC iontophoresis and cur DOI: 10.4103/2230-973X.93011 -
Amide confianza 0,9
“Explicit assignment: 1553 (C-N stretching of amide II)”
Uthaiwat 等 - 2021 - Characteristic Evaluation of Gel Formulation Conta DOI: 10.3390/polym13071142 -
Hydroxyl (O-H) confianza 0,8
“Attributed to stretching of O-H groups”
Zare 和 Mehrabani-Zeinabad - 2022 - Photocatalytic activity of ZrO2TiO2Fe3O4 ternary DOI: 10.1038/s41598-022-14676-y
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