What absorbs at 3311 cm⁻¹ in an FTIR spectrum?
A band near 3311 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) | 4 | 4 | 0.95 |
| Phenolic | 1 | 1 | 0.9 |
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
“Text: 'absorption spectrum at 3311 cm-1. Vibrations of -OH groups from water absorbed by starch'.”
Sasimowski 等 - 2020 - Analysis of Selected Properties of Biocomposites B DOI: 10.3390/ma13184182 -
Hydroxyl (O-H) 신뢰도 0.9
“Text: 'the peak at 3311 cm-1 indicates the hydroxyl group (-OH)'”
Kumar 等 - 2020 - Structural, optical and conductivity study of hydr DOI: 10.1088/2053-1591/ab691f -
Hydroxyl (O-H) 신뢰도 0.9
“Explicit assignment: 'extensive absorption band at 3310.7 was also ascribed ... to the hydroxyl (OH) group within phenolic compounds as well as alcohols.'”
Aziz 等 - 2019 - Fabrication of Interconnected Plasmonic Spherical DOI: 10.3390/nano9111557 -
Hydroxyl (O-H) 신뢰도 0.9
“Explicit assignment: 'broad absorption band at 3310.7 was linked to the hydroxyl (OH) functional groups in alcohols and phenolic compounds.'”
Brza 等 - 2020 - Tea from the drinking to the synthesis of metal co DOI: 10.1038/s41598-020-75138-x
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