What absorbs at 1328 cm⁻¹ in an FTIR spectrum?
A band near 1328 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 6 cited sources
Возможные назначения функциональных групп
| Функциональная группа | Подтверждающие факты | Цитируемые источники | Максимальная достоверность |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 1,0 |
| Amide | 2 | 2 | 1,0 |
| Aromatic ring | 1 | 1 | 1,0 |
| Chlorine | 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
-
Chlorine достоверность 1,0
“-1 corresponding to vibration bands of CS-nZVI in the range of 40 0 - 40 0 0 cm .The broad and intense -1 -1 -H peak around 3394 cm correspond to the presence of O stretching from alcohol, 1632 cm is -1 -O -H attributed to H bending, the pe”
Bottom-up approach synthesis of core-shell nanoscale zerovalent iron (CS-nZVI): Physicochemical and spectroscopic characterization with Cu(II) ions adsorption application DOI: 10.1016/j.mex.2020.100976 -
Amide достоверность 1,0
“and the shift of amide III peak (1328.2 to cm-1 cm-1) which peaks (1423.5 and 1052.5 1331.6 are shifted in both Sumai3 and Muchmore.”
Synchrotron based phase contrast X-ray imaging combined with FTIR spectroscopy reveals structural and biomolecular differences in spikelets play a significant role in resistance to Fusarium in wheat DOI: 10.1186/s12870-014-0357-5 -
Alkyl C-H достоверность 1,0
“The characteristic band appearing cm-1 1328cm-1 at 1410 is assigned to C-H bend of CH of PVA which is shifted to in the composite.”
Sathish 等 - 2013 - Nano Composite PVA-TiO2 Thin Films for OTFTs DOI: 10.4028/www.scientific.net/AMR.678.335 -
Amide достоверность 1,0
“LLM confirmed rule peak-group candidate”
Chitosan/PVA Based Membranes Processed by Gamma Radiation as Scaffolding Materials for Skin Regeneration DOI: 10.3390/membranes11080561 -
Aromatic ring достоверность 1,0
“the binary Z?MA IS with quinoid groups [33-35], while the bands at 1520 253 cm-1 201 diffusion coefficient of the electrolyte (MA), / is the elecand 576 are associated with aromatic rings [34], 254 e cm-1 202 trode pathlength, n is the refr”
Salavagione 等 - 2005 - Study of redox mechanism of poly(o-aminophenol) us DOI: 10.1016/j.jelechem.2004.10.013 -
Alkyl C-H достоверность 1,0
“cm-1 the fingerprint region were 1593 and 1506 for the aromatic skeletal vibrations, and 1506 cm-1 for the aromatic skeletal vibrations, 1458 cm-1 and 1420 cm-1 for the C-H cm-1 cm-1 cm-1 1458 and 1420 for the C-H deformation, 1328 for the”
Effect of Rot-, Fire-, and Water-Retardant Treatments on Jute Fiber and Their Associated Thermoplastic Composites: A Study by FTIR DOI: 10.3390/polym13152571
Есть спектр с этой полосой?
Загрузите свой FTIR-спектр и получите полный отчет об интерпретации — назначение пиков с цитированием литературы, совпадения с библиотекой и цепочку доказательств с оценкой достоверности — за секунды.
Интерпретировать мой спектр