What absorbs at 3065 cm⁻¹ in an FTIR spectrum?
A band near 3065 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 5 cited sources
Possíveis atribuições de grupos funcionais
| Grupo funcional | Fatos de suporte | Fontes citadas | Maior confiança |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Alkene (C=C) | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
A classificação reflete a evidência acumulada da literatura, não uma única regra autoritária. Sempre confirme com o contexto da sua amostra.
Literatura por trás destas atribuições
-
Amide confiança 1,0
“3452 3360 OH stretching 3280 3283 3274 3292 3291 NH asymmetric stretching (Amide A) 3065 3068 3078 3087 3095 NH symmetric stretching +C-H aromatic stretching”
Organic biopolymers of venus clams: Collagen-related matrix in the bivalve shells with crossed-lamellar ultrastructure DOI: 10.1016/j.bbrep.2021.100939 -
Alkyl C-H confiança 1,0
“and NaC clay spectra with the presence of additional absorption bands, which proves the success of CPC cations intercalation between the silicate layers (d spacing), since the 001 cm-1 sp2 absorption band at 3065 is related to the stretchin”
Enhanced Coating Protection of C-Steel Using Polystyrene Clay Nanocomposite Impregnated with Inhibitors DOI: 10.3390/polym15020372 -
Alkene (C=C) confiança 1,0
“There are also visible vibrations, characteristic of the Diels-Alder adduct, originating from the C=C bond occurring at cm-1 3065 and characteristic vibrations of the double bond from (meth)acrylate at 1635”
Bednarczyk 等 - 2023 - Impact of the Chemical Structure of Photoreactive DOI: 10.3390/polym15040924 -
Alkyl C-H confiança 1,0
“cm-1 3065 Symmetrical C-H stretching vibration is observed at 3024 for 4-ATP.”
Kalayci 等 - 2021 - EXPERIMENTAL AND THEORETICAL INVESTIGATIONS (FTIR, DOI: 10.4314/bcse.v35i3.11 -
Hydroxyl (O-H) confiança 1,0
“These included a strong band at 1710 cm-1 corresponding to the vibration cm´1 These included a strong band at 1710 corresponding to the vibration stretching of carboxylic stretching of carboxylic acid groups C=O, an O-H stretching at 3065 c”
The Influence of Lyophilized EmuGel Silica Microspheres on the Physicomechanical Properties, In Vitro Bioactivity and Biodegradation of a Novel Ciprofloxacin-Loaded PCL/PAA Scaffold DOI: 10.3390/polym8060232
Tem um espectro com esta banda?
Carregue seu espectro FTIR e obtenha um relatório de interpretação completo — atribuições de picos com citações da literatura, correspondências de biblioteca e uma cadeia de evidências com nível de confiança — em segundos.
Interpretar meu espectro