What absorbs at 3263 cm⁻¹ in an FTIR spectrum?
A band near 3263 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 8 cited sources
가능한 작용기 할당
| 작용기 | 지원 사실 | 인용 출처 | 최고 신뢰도 |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 4 | 1.0 |
| Alkyl C-H | 2 | 2 | 1.0 |
| Carbonyl (C=O) | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| N h | 1 | 1 | 1.0 |
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이 할당의 배경이 되는 문헌
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Alkyl C-H 신뢰도 1.0
“stretch The single-pass attenuated total reflection Fourier B-O 1342 1342 1362, 1344 stretch transform infrared (ATR-FTIR) solution spectra of PBA 2856 2853 3017 symmetric CH2 stretch (starting concentration of 3 mmol/L that was allowed to”
Brewer 等 - 2004 - Infrared detection of a phenylboronic acid termina DOI: 10.1021/la035037m -
Alkyl C-H 신뢰도 1.0
“In the FTIR spectrum of BPEBPA, bands at 3263 ≡C-H micro test tubes, ground to coarse powder, packed and cm-1 are attributed to the stretching and 2121 C≡C stored for further analysis.”
Surender 等 - 2014 - Bismaleimide and Bispropargyl Ether Blends Curing DOI: 10.1134/S1560090414050157 -
Hydroxyl (O-H) 신뢰도 1.0
“intensities of G-band and D-band (I D/I G) provide valuable cm-1 (O-H group stretching GO indicated peaks at 3263 defects.41,42 The values decrease information on the number of cm-1 (CO vibrations), 1722 stretching of the carboxylic”
Gebrekrstos 等 - 2018 - Piezoelectric Response in Electrospun Poly(vinylid DOI: 10.1021/acsomega.8b00237 -
신뢰도 1.0
“appearance of other bands in the spectrum, particucm-1, larly that at 3263 corresponding to the stretching Puliga et al.”
Cladosporium cladosporioides (strain Clc/1): a candidate for low-density polyethylene degradation DOI: 10.1186/s40538-023-00419-2 -
신뢰도 1.0
“PEI to PMOZ, PnPOZ and PiPOZ was shown not only through the loss of 1H-NMR PEI's signals (Figure S1) but also by loss of the PEI's N-H cm-1 vibration at 3263 in FTIR spectra, with a strong feature appearing at cm-1 1626 corresponding to the”
Shan 等 - 2020 - Polymer structure and property effects on solid di DOI: 10.1016/j.ijpharm.2020.119884 -
Hydroxyl (O-H) 신뢰도 1.0
“The detailed analysis of the FTIR spectra involving adsorption and ionic interaction of Th with EPS is cm-1 cm-1 explained as follows: characteristic broad and strong peaks obtained at 3263 for EPS and 3277 for EPSTh+, indicate the -O-H hyd”
Exemplifying an archetypal thorium-EPS complexation by novel thoriotolerant Providencia thoriotolerans AM3 DOI: 10.1038/s41598-021-82863-4 -
신뢰도 0.9
“Explicit assignment: bands at 3263 and 3144 cm-1 due to stretching vibration.”
Formulation and Characterization of Carbopol-934 Based Kojic Acid-Loaded Smart Nanocrystals: A Solubility Enhancement Approach DOI: 10.3390/polym14071489 -
Hydroxyl (O-H) 신뢰도 0.8
“Peak within 3000-3600 cm-1 region known for O-H stretching.”
Alimi 等 - 2022 - Microstructural and physicochemical properties of DOI: 10.1016/j.heliyon.2022.e09148
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