What absorbs at 3322 cm⁻¹ in an FTIR spectrum?
A band near 3322 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 5 cited sources
가능한 작용기 할당
| 작용기 | 지원 사실 | 인용 출처 | 최고 신뢰도 |
|---|---|---|---|
| Hydroxyl (O-H) | 3 | 3 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Carbohydrate | 1 | 1 | 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
“A peak at cm-1 3074 belonged to weak O-H stretching [30] and cm-1 a broad peak at 3322 was attributed to O-H”
Influence of Ho3+ substitution on structural and magnetic properties of Mg–Mn ferrites DOI: 10.1007/s10854-021-05547-9 -
Carbohydrate 신뢰도 1.0
“Samples (cm-1) (cm-1) (cm-1) MS cellulose CMC assignment -OH 3322 3322 3322 stretching -CH 2900 2900 2900 stretching -CO 1588 stretching”
Akhlaq 和 Uroos - 2023 - Evaluating the Impact of Cellulose Extraction via DOI: 10.1021/acsomega.2c08118 -
Hydroxyl (O-H) 신뢰도 1.0
“LLM confirmed rule peak-group candidate”
Aziz 等 - 2019 - Structural and Optical Characteristics of PVAC-Do DOI: 10.3390/nano9020216 -
Alkyl C-H 신뢰도 1.0
“cm-1, the C-H stretching vibration at 2942 cm-1, C-H bending vibrations at 1428 cm-1, and cm-1, cm-1, cm-1, 3322 the C-H stretching vibration at 2942 C-H bending vibrations at 1428 C-O-C stretching vibrations at 1049 cm-1, 988 cm-1, and 908”
Structural Analysis of Oxidized Sucrose and Its Application as a Crease-Resistant Crosslinking Agent DOI: 10.3390/polym14142842 -
Hydroxyl (O-H) 신뢰도 1.0
“and amine group at 3322 cm-1 The FTIR spectrum of the coating agent made from PU (100% PU) showed the characteristic ν(OH) The broad and strong peak ranging from 3200 to 3300 and assigned to groups showed cm-1, peaks of PU, such as peaks of”
Rogina-Car 等 - 2020 - Influence of Washing and Sterilization on Properti DOI: 10.3390/polym12030642
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