What absorbs at 1272 cm⁻¹ in an FTIR spectrum?
A band near 1272 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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| C n single bond | 3 | 3 | 0.95 |
| C-O single bond | 2 | 2 | 1.0 |
| Phosphate (PO4) | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 0.9 |
| Alkene (C=C) | 1 | 1 | 0.9 |
| Amino acid | 1 | 0 | 1.0 |
| N n bond | 1 | 0 | 0.9 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
-
C-O single bond 信心 1.0
“The is attributed to the C O stretchRaman observed at V.Arjunanetal./SpectrochimicaActaPartA 67 (2007) 1290-1296 1295 1272cm-1”
Arjunan 等 - 2007 - Fourier transform infrared and Raman spectral assi DOI: 10.1016/j.saa.2006.09.044 -
Phosphate (PO4) 信心 1.0
“Stretching vibration of P=O.”
Wang 等 - 2018 - Synthesis of Phosphated K-Carrageenan and Its Appl DOI: 10.3390/polym10111268 -
C n single bond 信心 0.95
“Explicit assignment: '1272 (C-N stretching)'.”
Karuppannan 和 Prashantha - 2010 - Nano structured carbon nitrides prepared by chemic DOI: 10.1117/12.861609 -
C n single bond 信心 0.9
“Explicit assignment in text.”
Ramesh 等 - 2010 - Synthesis of Nano Structured Carbon Nitride by Pyr DOI: 10.1080/10584587.2010.489421 -
C n single bond 信心 0.9
“Peak at 1272 cm-1 originates from C-N stretching vibrations.”
Suneetha 和 Vedhi - 2014 - Synthesis, characterization and electrochemical be DOI: 10.1016/j.clay.2013.12.007 -
Alkene (C=C) 信心 0.9
“Explicit assignment from text.”
Reddy 等 - 2021 - Curcumin encapsulated dual cross linked sodium alg DOI: 10.1016/j.jpha.2020.07.002 -
Hydroxyl (O-H) 信心 0.9
“Text: 'peaks at 1272 and 3362 indicate stretching vibrations of OH group'”
Suhail 等 - 2021 - Preparation and In Vitro Evaluation of AsparticAl DOI: 10.3390/gels7020068 -
C-O single bond 信心 0.8
“Explicit assignment: 'asymmetric stretch) appeared around ... 1272' and context suggests C-O-C”
Alamry 等 - 2021 - The inhibition performance of a novel benzenesulfo DOI: 10.1039/d0ra10317a
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