What absorbs at 1369 cm⁻¹ in an FTIR spectrum?
A band near 1369 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
Возможные назначения функциональных групп
| Функциональная группа | Подтверждающие факты | Цитируемые источники | Максимальная достоверность |
|---|---|---|---|
| Alkyl C-H | 10 | 9 | 1,0 |
| Hydroxyl (O-H) | 2 | 2 | 1,0 |
| Silicon hydride | 1 | 1 | 1,0 |
Ранжирование отражает накопленные литературные данные, а не единственное авторитетное правило. Всегда проверяйте в контексте вашего образца.
Литература, лежащая в основе этих назначений
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Alkyl C-H достоверность 1,0
“The peaks at 1369 and 897 cm-1 indicate the peaks of C-H deformation found in carbohydrates.”
n-Heptadecane-Impregnated Wood as a Potential Material for Energy-Saving Buildings DOI: 10.3390/f13122137 -
достоверность 1,0
“The load plot of PC2 has C I 827/I F I 763/I 613 1654 seven positive weighted peaks around 1083, 1137, 1147, 1186, 1369cm-1.”
Wu 等 - 2023 - Infrared and Terahertz Spectra of Pu'er White Tea DOI: 10.1155/2023/3290917 -
Alkyl C-H достоверность 1,0
“J Appl Polym Sci methylene band position (1369 position (1378 1996, 62, 1339.”
An effective method to identify the type and content of [alpha]-olefin in polyolefine copolymer by Fourier Transform Infrared-Differential Scanning Calorimetry DOI: 10.1002/app.30249 -
Hydroxyl (O-H) достоверность 1,0
“The band centred at 1369 can be attributed to the O-H in-plane deformation mode of the alcohol [7].”
Augugliaro 等 - 2008 - Photocatalytic oxidation of aromatic alcohols to a DOI: 10.1016/j.apcata.2008.07.038 -
Alkyl C-H достоверность 1,0
“The peak at 1369 cm-1 offers mainly information about the C-H bending vibrations [25].”
Variety Identification of Orchids Using Fourier Transform Infrared Spectroscopy Combined with Stacked Sparse Auto-Encoder DOI: 10.3390/molecules24132506 -
Alkyl C-H достоверность 1,0
“The band at referred to H-C-H and O-C-H 1369cm-1 the absorbance intensity of the historical sample.”
Investigate the role of fungal communities associated with a historical manuscript from the 17th century in biodegradation DOI: 10.1038/s41529-022-00296-4 -
Alkyl C-H достоверность 1,0
“The band near 1369 is possibly The values of tensile strength of the treated fibers at due to a CH bending that in the treated fiber spectra is 3”
Gholami 等 - 2018 - Effect of oxygen plasma treatment on tensile stren DOI: 10.1515/secm-2017-0102 -
Alkyl C-H достоверность 1,0
“The absorption peak at 1649 represents the cm-1 deformation vibration of bound water (Pandey 1999) and the peaks at 1369 and 1369 cm-1 are the bending vibrations of -CH and -OH, respectively.”
Hu 等 - 2021 - Pyrolytic Characteristics and Kinetics of Guanzhon DOI: 10.1016/j.fuel.2014.01.014
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