What absorbs at 1471 cm⁻¹ in an FTIR spectrum?
A band near 1471 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
Possible functional-group assignments
| Functional group | Supporting facts | Cited sources | Top confidence |
|---|---|---|---|
| Alkyl C-H | 4 | 4 | 1.0 |
| Ring structure | 1 | 1 | 1.0 |
| Aromatic ring | 1 | 0 | 1.0 |
Ranking reflects accumulated literature evidence, not a single authoritative rule. Always confirm against your sample context.
Literature behind these assignments
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Alkyl C-H confidence 1.0
“This situation may have been caused ples, a significant increase was observed at 1471 cm-1, which indicates C-H deformation by the (1) confinement of PCMs in the pores of the wood after the impregnation process, in lignin and carbohydrates.”
n-Heptadecane-Impregnated Wood as a Potential Material for Energy-Saving Buildings DOI: 10.3390/f13122137 -
Alkyl C-H confidence 1.0
“In addicm(cid:2)1 tion, the peaks at 1471, 1430 and at 1391 can be (d(CH attributed to the scissoring vibration 2)) of methylene, the CH symmetric deformation bending modes 3 cm(cid:2)1 (d s(CH 3)), respectively.”
Topacli 等 - 2006 - Infrared studies of pyroelectric Langmuir-Blodgett DOI: 10.1016/j.molstruc.2006.03.083 -
Ring structure confidence 1.0
“NF-NDs/ phene ring vibration was detected at 1471 and a C-N cm-1.”
Ashraf 等 - 2014 - Preparation and properties of multilayered polymer DOI: 10.1515/polyeng-2013-0297 -
Alkyl C-H confidence 1.0
“LLM confirmed rule peak-group candidate”
Molecular separation of ions from aqueous solutions using modified nanocomposites DOI: 10.1038/s41598-021-89371-5 -
Alkyl C-H confidence 1.0
“The peaks at 1471 and 714 are assigned symmetric CH2 stretching vibrations, respectively.”
Adhesive Hybrid SiO2.01C0.23Hx Nanoparticulate Coating on Polyethylene (PE) Separator by Roll-to-Roll Atmospheric Pressure Plasma DOI: 10.3390/coatings9030190
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