What absorbs at 3327 cm⁻¹ in an FTIR spectrum?
A band near 3327 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
가능한 작용기 할당
| 작용기 | 지원 사실 | 인용 출처 | 최고 신뢰도 |
|---|---|---|---|
| Hydroxyl (O-H) | 2 | 2 | 1.0 |
| N h | 1 | 1 | 1.0 |
| Hydrogen bond | 1 | 1 | 1.0 |
| Silicon hydride | 1 | 0 | 1.0 |
순위는 단일 권위 규칙이 아닌 축적된 문헌 증거를 반영합니다. 항상 샘플 상황에 대해 확인하세요.
이 할당의 배경이 되는 문헌
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Hydroxyl (O-H) 신뢰도 1.0
“CD3.5 LDPE-vanillin0.9367MD4.4 PlainLDPE0.9296MD4.0 CD3.0 [Fig 1(b)] shows a strong band at 3327, 2924, and cm(cid:1)1 (AOAH) corresponding to phenolic 1746.5 (ACHA), stretching, asymmetric stretching of alkenes (AC¼¼O and stretching of ald”
Blending of low-density polyethylene with vanillin for improved barrier and aroma-releasing properties in food packaging DOI: 10.1002/app.30221 -
Hydroxyl (O-H) 신뢰도 1.0
“LLM confirmed rule peak-group candidate”
Maimulyanti 等 - 2019 - Adsorption and recovery of aroma compounds from wa DOI: 10.2306/scienceasia1513-1874.2019.45.446 -
Hydrogen bond 신뢰도 1.0
“The result 3323.20 cm-1 is slightly higher than ASC at the wavenumber of 3327.06 cm-1, indicating that more Nindicates that there are more hydrogen bonds between the peptide chains in ASC than PSC.”
Song 等 - 2019 - Physicochemical and Biocompatibility Properties of DOI: 10.3390/md17030137 -
N h 신뢰도 1.0
“LLM confirmed rule peak-group candidate”
A Mechanism for the Adsorption of 2-(Hexadecanoylamino)Acetic Acid by Smithsonite: Surface Spectroscopy and Microflotation Experiments DOI: 10.3390/min9010015
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