What absorbs at 3381 cm⁻¹ in an FTIR spectrum?
A band near 3381 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
가능한 작용기 할당
| 작용기 | 지원 사실 | 인용 출처 | 최고 신뢰도 |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 4 | 0.95 |
| N h | 1 | 1 | 0.9 |
| Oxygen heterocycle | 1 | 1 | 0.7 |
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 0.95
“Assigned to stretching vibration absorption of -OH”
Wang 等 - 2018 - Developing Effective Separation of Feldspar and Qu DOI: 10.3390/min8040149 -
Hydroxyl (O-H) 신뢰도 0.9
“Broad hydroxyl band in WCO-p”
Kamarulzaman 和 Tahir - 2017 - The Effect of Isocyanate Structure on Ionic Conduc DOI: 10.1063/1.5002441 -
Hydroxyl (O-H) 신뢰도 0.9
“Text: 'The peak 3381 indicated the existence of free O-H stretching vibration of O-H groups'.”
Ayu 等 - 2020 - The Production of Nanocrystalline Cel close From O DOI: 10.1063/5.0015667 -
N h 신뢰도 0.9
“Text: 'scaled value at cm-1 3550 is assigned to the asymmetric stretching vibration NH which is observed in IR at 3381'”
Sreedevi 等 - 2023 - GROWTH, CHARACTERIZATION AND CHEMICAL COMPUTATIONS DOI: 10.4314/bcse.v37i4.18 -
Hydroxyl (O-H) 신뢰도 0.8
“Peak at 3380.84 related to hydroxyl group.”
Suhalim 等 - 2023 - Impact of Silver-Decorated Graphene Oxide (Ag-GO) DOI: 10.3390/membranes13060602 -
Oxygen heterocycle 신뢰도 0.7
“Absorbance at 3640 and 3381 cm-1 attributed to epoxy.”
Jollands 等 - 2021 - A combined Fourier transform infrared and Cr K-edg DOI: 10.5194/ejm-33-113-2021
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