What absorbs at 1341 cm⁻¹ in an FTIR spectrum?
A band near 1341 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 | 4 | 4 | 1,0 |
| Protein | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Carbonate | 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
“-1, C-H stretching At wavelengths 1341, 1365 and 1467cm -1 𝜃𝜃 was observed due to methyl group.”
Ankamwar 和 Thorat - 2013 - Rod-Shaped Magnetite NanoMicroparticles Synthesis DOI: 10.1155/2013/537976 -
Carbonate достоверность 1,0
“cm-1) 32cm-1 ν collagen (~1341 and carbonate band 2(CO ) of a wavenumber of ~1407 was observed.”
Simultaneous FTIR and Raman Spectroscopy in Endometrial Atypical Hyperplasia and Cancer DOI: 10.3390/ijms21144828 -
Hydroxyl (O-H) достоверность 1,0
“Strong stretching O=C--O 2361 Carbon dioxide Strong stretching C=C 1634 Conjugated alkene Medium stretching O-H 1341 phenol”
Chowdhury 等 - 2023 - Green synthesis and characterization of zirconium DOI: 10.1016/j.heliyon.2022.e12711 -
Alkyl C-H достоверность 1,0
“In this study, PET and 1341 refer to C-H bond stretching (methylene powder was only the sole carbon source and energy of the group), which becomes less intense for both samples of culture medium of PET incubated with VT3.12, VT3.15, PET wit”
Biological degradation of polyethylene terephthalate by rhizobacteria DOI: 10.1007/s11356-022-20324-9 -
Alkyl C-H достоверность 1,0
“LLM confirmed rule peak-group candidate”
Drobota 等 - 2019 - INVESTIGATION OF PROPERTIES OF NANOFIBERS FROM COL DOI: 10.1021/bm050086u -
Alkyl C-H достоверность 1,0
“The structure presents signals at 1373 and 1341 cm-1 attributed to from cm-1 ɷ(CH2-CH2) vibration bands.”
Drobota 等 - 2020 - Preparation and Characterization of Electrospun Co DOI: 10.3390/ma13183961 -
Protein достоверность 1,0
“cm-1 A distinctive peak is also observed at 1341 (assigned to proteins) and it is present”
Infrared Spectroscopy as a Potential Diagnostic Tool for Medulloblastoma DOI: 10.3390/molecules28052390 -
достоверность 1,0
“Bands of the dye DR1 and its hybrids HDR1 and H2DR1 are shown at 1507 and 1341 cm-1 which are due to non-symmetric, and also symmetric stretching of nitrogen dioxide respectively [54,55].”
Lopez-Rodriguez 等 - 2023 - Dyeing with Hydrotalcite Hybrid Nanoclays and Disp DOI: 10.3390/ijms24010808
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