What absorbs at 1048 cm⁻¹ in an FTIR spectrum?
A band near 1048 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 6 cited sources
Posibles asignaciones de grupos funcionales
| Grupo funcional | Hechos de respaldo | Fuentes citadas | Confianza máxima |
|---|---|---|---|
| C-O single bond | 2 | 2 | 0,9 |
| Silicon-oxygen (Si-O) | 2 | 2 | 0,9 |
| Carbohydrate | 1 | 1 | 0,9 |
| C n single bond | 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
-
Carbohydrate confianza 0,9
“Explicit association.”
Fan 等 - 2022 - Enhanced Saccharification of Purple Alfalfa via Se DOI: 10.3390/pr10010061 -
C-O single bond confianza 0,9
“Explicit assignment: peak at 1048 characteristic of C-O (acid and ester stretch).”
Otunola 等 - 2017 - Characterization, Antibacterial and Antioxidant Pr DOI: 10.4103/pm.pm_430_16 -
Silicon-oxygen (Si-O) confianza 0,9
“Explicit assignment: Si-O peak around 1048 cm-1.”
Palayangoda 和 Nguyen - 2012 - AN ATR-FTIR PROCEDURE FOR QUANTITATIVE ANALYSIS OF DOI: 10.3176/oil.2012.4.05 -
C-O single bond confianza 0,9
“Band at 1048 related to C-O bonds.”
de Oliveira 等 - 2023 - Efficient Uptake of Angiotensin-Converting Enzyme DOI: 10.3390/w15020293 -
C n single bond confianza 0,8
“Text: '1048 reveal the C-N group'”
Mohammed 等 - 2020 - Synthesis and Physico-Chemical Characterization of DOI: 10.1063/1.5142126 -
Silicon-oxygen (Si-O) confianza 0,7
“Overlapped with Si-O-C mentioned.”
Zhang 等 - 2019 - Improvement of mechanical, humidity resistance and DOI: 10.1038/s41598-018-37363-3
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