What absorbs at 3070 cm⁻¹ in an FTIR spectrum?
A band near 3070 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 | 2 | 1.0 |
| Alkene (C=C) | 2 | 2 | 1.0 |
| Alkyl C-H | 2 | 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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Alkene (C=C) 신뢰도 1.0
“The participation of the double bonds in the formation of Michael addition product was clearly evident from the disappearance of typical alkene bands at 3070, 3040, cm-1 1637.5, 1620.8, 1464, 984.4, and 910.6 in the C-H products (Figure 1(C”
Goswami 等 - 2004 - One-pot synthesis of a novel water-soluble fullere DOI: 10.1021/cm0350232 -
Alkyl C-H 신뢰도 1.0
“Furthermore, at 0.05 mol fraction, the spectra show a cm-1 cm-1 peaks at 2880 and 2945 are attributed to the CH 3 cm-1, C-H distinct peak at 3070 ascribed to the mode of the (ss) stretch and the Fermi resonance (FR) of the CH bending 3”
GasLiquid Interface of Hydrophobic and Hydrophilic Room-Temperature Ionic Liquids and Benzene: Sum Frequency Generation and Surface Tension Studies DOI: 10.1021/jp803177w -
Hydroxyl (O-H) 신뢰도 1.0
“Pure enstatite only exhibits two major O-H absorption cm-1, whereas samples containing bands at 3070 and 3361”
Stalder - 2004 - Influence of Fe, Cr and Al on hydrogen incorporati DOI: 10.1127/0935-1221/2004/0016-0703 -
Hydroxyl (O-H) 신뢰도 1.0
“Figure 4 shows band arising from OH stretching vibrations of hydrogencm-1 ∼3070”
Bujok 等 - 2019 - Applicability of FTIR-ATR Method to Measure Carbon DOI: 10.1155/2019/2181370 -
Alkene (C=C) 신뢰도 1.0
“esters,lactones) the cycling ring structure or in its side chains produces (]CH ]C=O(acids) 1715 1715 the weak bands positioned at 3070 from C=C bonds) cm-1 890cm-1 (]C=C) 𝛿CH3/CH2 and 1645 , and the peak at (out-of1475 1475”
Invernizzi 等 - 2018 - Mid and Near-Infrared Reflection Spectral Database DOI: 10.1155/2018/7823248
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