What absorbs at 3399 cm⁻¹ in an FTIR spectrum?
A band near 3399 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 7 cited sources
가능한 작용기 할당
| 작용기 | 지원 사실 | 인용 출처 | 최고 신뢰도 |
|---|---|---|---|
| Hydroxyl (O-H) | 8 | 7 | 1.0 |
| Water (H2O) | 1 | 1 | 1.0 |
| Metal oxygen | 1 | 1 | 0.9 |
| S eq o | 1 | 1 | 0.9 |
| N n bond | 1 | 1 | 0.9 |
| C c single bond | 1 | 1 | 0.9 |
| C-O single bond | 1 | 1 | 0.9 |
| Alkyl C-H | 1 | 1 | 0.9 |
| Aromatic ring | 1 | 1 | 0.9 |
| N h | 1 | 1 | 0.9 |
순위는 단일 권위 규칙이 아닌 축적된 문헌 증거를 반영합니다. 항상 샘플 상황에 대해 확인하세요.
이 할당의 배경이 되는 문헌
-
Hydroxyl (O-H) 신뢰도 1.0
“From this spectrum, the absorption peak at 3399cm-1 was attributed to the vibration of the hydroxyl group because of the fact that the SnO retained certain adsorbed water 2 from the ambient atmosphere.”
Aziz 等 - 2012 - Structure of SnO2 nanoparticles by sol-gel method DOI: 10.1016/j.matlet.2012.01.073 -
Hydroxyl (O-H) 신뢰도 1.0
“Explicit assignment in text.”
Siriwachirachai 和 Pongjanyakul - 2022 - Particle Agglomeration of Acid-Modified Tapioca St DOI: 10.3390/pharmaceutics14061245 -
N h 신뢰도 0.9
“Text states 'combined peaks of the NH and OH group-str'.”
Ding 等 - 2016 - Synthesis and characterization of retrograded star DOI: 10.1016/j.carbpol.2016.06.007 -
Hydroxyl (O-H) 신뢰도 0.9
“broad absorption peak attributed to hydroxyl mode of vibration”
Yusan 等 - 2016 - Synthesis and structural properties of ZnO and dia DOI: 10.1016/j.ceramint.2015.09.169 -
Hydroxyl (O-H) 신뢰도 0.9
“Explicit assignment: 'peaks due to O H, Ar H, C H, C O, C C, N N, SO 3H, C O and O M stretching and bending vibrations at 3399'”
Hussain 等 - 2017 - DOI: 10.1016/j.jart.2017.03.002 -
Hydroxyl (O-H) 신뢰도 0.9
“Explicit assignment in text”
Yanti 等 - 2021 - Properties and Application of Edible Modified Bact DOI: 10.3390/polym13203570 -
Hydroxyl (O-H) 신뢰도 0.8
“Alternative value 3399 also attributed to O-H.”
Xu 等 - 2022 - Green reduction of graphene oxide using Bacillus s DOI: 10.1016/j.jcis.2021.07.102
이 밴드가 있는 스펙트럼이 있나요?
FTIR 스펙트럼을 업로드하면 몇 초 안에 전체 해석 보고서(문헌 인용이 포함된 피크 할당, 라이브러리 매칭, 신뢰도 평가 증거 체인)를 받을 수 있습니다.
내 스펙트럼 해석