What absorbs at 3449 cm⁻¹ in an FTIR spectrum?
A band near 3449 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) | 3 | 3 | 0.9 |
| N h | 2 | 2 | 1.0 |
| Water (H2O) | 1 | 1 | 0.9 |
순위는 단일 권위 규칙이 아닌 축적된 문헌 증거를 반영합니다. 항상 샘플 상황에 대해 확인하세요.
이 할당의 배경이 되는 문헌
-
N h 신뢰도 1.0
“Explicit assignment in text: '3449 and 3331 (N-H stretch)'”
Jheng 等 - 2017 - Supramolecular Interactions Induce Unexpectedly St DOI: 10.3390/polym9100503 -
N h 신뢰도 0.9
“Explicit assignment: 'functional group of amine ... N-H stretching ... band at 3448.72'”
Azlim 等 - 2022 - Fabrication and characterization of a pH-sensitive DOI: 10.1002/fsn3.2680 -
Water (H2O) 신뢰도 0.9
“attributed to existence of moisture in pristine Gr”
Dorniani 等 - 2016 - Graphene Oxide-Gallic Acid Nanodelivery System for DOI: 10.1186/s11671-016-1712-2 -
신뢰도 0.9
“explicit assignment”
Kasar 和 Ahmaruzzaman - 2022 - Characterization of liquid products obtained from DOI: 10.1038/s41598-022-15371-8 -
Hydroxyl (O-H) 신뢰도 0.9
“Text: 'The strong band at approximately 3449 cm-1 can be attributed to hydrogen-bonded O-H'”
Pan 等 - 2017 - Improvement Production of Hyaluronic Acid by Strep DOI: 10.1007/s12010-016-2326-y -
Hydroxyl (O-H) 신뢰도 0.9
“Weak stretching band of OH groups on surface of CeO2 nanoparticles.”
Yazdani 等 - 2014 - The chemistry concerned with the sonochemical-assi DOI: 10.3906/kim-1306-33 -
Hydroxyl (O-H) 신뢰도 0.8
“Assigned to O-H stretch absorption.”
Shkliarenko 等 - 2023 - Adsorptive Performance of Walnut Shells Modified w DOI: 10.3390/w15081536
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