What absorbs at 1393 cm⁻¹ in an FTIR spectrum?
A band near 1393 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 5 cited sources
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 1.0 |
| C-S single bond | 1 | 1 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
排名反映了累积的文献证据，而非单一的权威规则。请始终对照您的样品背景进行确认。
这些分配背后的文献
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Alkyl C-H 置信度 1.0
“The band at 1,098 is G 1307 Ethyl undecanoate Coconut, cognac due to the methylene rocking vibrations overlapping the H 1393 Isobornyl propionate Fruit, turpentene out-of-plane bending vibration of cis-disubstituted olefins”
Mansor 等 - 2011 - Application of Fast Gas Chromatography and Fourier DOI: 10.1007/s12161-010-9176-y -
Amide 置信度 1.0
“LLM confirmed rule peak-group candidate”
Influence of the Enzymatic Hydrolysis Using Flavourzyme Enzyme on Functional, Secondary Structure, and Antioxidant Characteristics of Protein Hydrolysates Produced from Bighead Carp (Hypophthalmichthys nobilis) DOI: 10.3390/molecules28020519 -
Carboxyl (COOH) 置信度 1.0
“The absorption bands at 1580 and cm-1 C═C 1393 are attributed to the stretching and the symmetrical -COO stretching of”
Aloe Vera extract-based composite nanofibers for wound dressing applications DOI: 10.1016/j.msec.2021.112061 -
Alkyl C-H 置信度 1.0
“In the IR spectrum of adsorbed CPE, a band appeared at 1393 which 3 cm-1, is characteristic of C-H bending, and peaks at 1059 and 963 which correspond to C-O and P-O stretching, respectively, also appeared.”
Robust Magnetic -Fe2O3/Al–ZnO Adsorbent for Chlorpyriphos Removal in Water DOI: 10.3390/w14071160 -
C-S single bond 置信度 1.0
“1 3 Journal of Nanostructure in Chemistry (2019) 9:77-93 85 cm-1 1393 and a prominent peak of C-S of DTC group 2.5 cm-1 was observed at 1065 (Fig.”
Applications of copper nanoparticles for colorimetric detection of dithiocarbamate pesticides DOI: 10.1007/s40097-019-0299-4
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