What absorbs at 405 cm⁻¹ in an FTIR spectrum?
A band near 405 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 4 cited sources
Posibles asignaciones de grupos funcionales
| Grupo funcional | Hechos de respaldo | Fuentes citadas | Confianza máxima |
|---|---|---|---|
| N-O bond | 1 | 1 | 1,0 |
| Metal sulfur | 1 | 1 | 0,9 |
| Alkene (C=C) | 1 | 1 | 0,3 |
| Alkyl C-H | 1 | 1 | 0,3 |
| C-O single bond | 1 | 1 | 0,3 |
| C c single bond | 1 | 1 | 0,3 |
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
-
N-O bond confianza 1,0
“This N-O bond is also proved by XPS on deconvolution peaks detected at 404.8 and 531.5 eV in N 1s and O 1s, respectively.”
Azami 等 - 2017 - Formation of predominant interstitial N-TiO2 using DOI: 10.5004/dwt.2017.21496 -
Metal sulfur confianza 0,9
“Explicitly stated: '405cm-1 Cd-S in band gap energy value. The vibrational absorption peak of the bond was observed'.”
Kumar 等 - 2014 - 60 MeV Ni ion induced modifications in nano-CdSpo DOI: 10.1016/j.radphyschem.2013.06.022 -
confianza 0,9
“Explicitly stated as FTIR peak at 405 cm-1.”
Taneja 等 - 2021 - Influence of bismuth doping on structural, electri DOI: 10.1016/j.jallcom.2020.157760 -
C c single bond confianza 0,3
“peak intensities at 405.1 eV (XPS)”
Dugasani 等 - 2019 - Optoelectronic properties of DNA thin films implan DOI: 10.1063/1.5063446
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