What absorbs at 2018 cm⁻¹ in an FTIR spectrum?
A band near 2018 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 7 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 | 3 | 3 | 1.0 |
| Carbohydrate | 2 | 2 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Carbonyl (C=O) | 1 | 1 | 1.0 |
| Alkene (C=C) | 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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Carbohydrate 置信度 1.0
“Zghari et al., 2018) also called wagging band (Manzato et al., 2017) confirms Mostly, the crystalline cellulose structure is related to the hydrogen well the unaltered crystalline cellulose II undergoing regenerbonding between intermolecula”
Structural characterization of Argania spinosa Moroccan wooden artifacts during natural degradation progress using infrared spectroscopy (ATR-FTIR) and X-Ray diffraction (XRD) DOI: 10.1016/j.heliyon.2019.e02477 -
Alkyl C-H 置信度 1.0
“alkanes and the alkyl groups that could be attributed to the metal reduction peak (Alavi and Karimi, 2018).”
Green synthesis and characterization of titanium dioxide nanoparticles using leaf extract of Pouteria campechiana and larvicidal and pupicidal activity on Aedes aegypti DOI: 10.1016/j.envres.2021.111333 -
Alkene (C=C) 置信度 1.0
“the stretching CH alkene stretching vibration (Raman 2018).”
Akkurt 等 - 2023 - Ability of Cupriavidus necator H16 to resist, bior DOI: 10.2166/wst.2023.188 -
Alkyl C-H 置信度 1.0
“The band at 1099 on the other hand, decreased in the presence of oleic acyl groups, while the overlapping of the methylene rocking vibration and the Sustainability2018,10,4112 9of13 cm-1 out-of plane bending vibration of the cis-disubstitut”
Durazzo 等 - 2018 - Qualitative Analysis of Traditional Italian Dishes DOI: 10.3390/su10114112 -
Carbonyl (C=O) 置信度 1.0
“detected in the spectra of the PUs between 3050 and 2800 The hard segments carbonyl bands Polymers 2018, 10, x FOR PEER REVIEW 7 of 17 cm-1 Polymers 2018, 10, x FOR PEER REVIEW 7 of 17 can be observed between 1705-1691 [30,34].”
Gregori Valdes 等 - 2018 - Synthesis and Characterization of Isosorbide-Based DOI: 10.3390/polym10101170 -
Hydroxyl (O-H) 置信度 1.0
“different which corresponded to presence of functional It was observed that biosynthesized ZnO NPs have C=C groups H-Br stretching (alkyl halides class), more stability for a very longer time without causing O=C=O different stretching (conj”
Iqtedar 等 - 2020 - Biosynthesis, optimization and characterization of DOI: 10.24275/rmiq/Bio1605 -
Alkyl C-H 置信度 1.0
“ν(C-O)- ν(O-H)-bands between 1200 and 1450 as well as the decrease of the and at 3400 plus the Energies 2018, 11, x 8 of 12 cm-1 Energies 2018, 11, x 8 of 12 ν(C-H)-band at 2900 suggests a dehydration and partial aromatization of the materi”
Kruse 和 Zevaco - 2018 - Properties of Hydrochar as Function of Feedstock, DOI: 10.3390/en11030674
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