What absorbs at 2862 cm⁻¹ in an FTIR spectrum?
A band near 2862 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
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 | 10 | 10 | 1.0 |
| Hydroxyl (O-H) | 2 | 2 | 1.0 |
| Methacrylate | 2 | 2 | 1.0 |
| Acetate | 2 | 2 | 1.0 |
| Ring structure | 1 | 1 | 1.0 |
| Carbohydrate | 1 | 1 | 1.0 |
| Ketone | 1 | 1 | 1.0 |
| Ester | 1 | 1 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 1.0 |
| Carbonyl (C=O) | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| Metal oxygen | 1 | 1 | 1.0 |
| Methoxy (OCH3) | 1 | 1 | 1.0 |
| Methyl | 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
-
Alkyl C-H 置信度 1.0
“LLM confirmed rule peak-group candidate”
Synthesis, Characterization, Drug Delivery, and Splinting Activity of Folic Acid Bridged Poly(E-caprolactone-co-tetrahydrofuran) DOI: 10.1080/00914037.2014.996711 -
Alkyl C-H 置信度 1.0
“MCM-PS-TDI-C4S , which correspond to the phenyl and MCM-PS-TDI-C4 -CH2-., respectively, and methyl (CH3) methylene bridges 20 asymmetric stretching and symmetric vibrations at 2969 and 2862cm-1”
Alahmadi 等 - 2013 - Preparation of Organic-Inorganic Hybrid Materials DOI: 10.1155/2013/634863 -
Alkyl C-H 置信度 1.0
“- - - 2851-2860 CH methylene symmetric stretching 2859 2862 2859 C]O - 1632-1660 stretching amide I 1633 1633 1633 1633 1631 3.0 C-N”
Facile synthesis of novel calcium silicate hydrated-nylon 6/66 nanocomposites by solution mixing method DOI: 10.1039/c8ra07116k -
Hydroxyl (O-H) 置信度 1.0
“Magnesium oxide and hydroxide are evicm-1 cm-1 2862 [29,30,32,33], 2839 and 2311 (Mg-O) [29,30,32,33], and 1447, 1026, 896, and denced by the bands at 3674 cm-1 (OH stretching in Mg-OH or Mg-O) [29,30,32,33], 2862 cm-1, 561 which are also i”
Saharan Dust Storm Aerosol Characterization of the Event (9 to 13 May 2020) over European AERONET Sites DOI: 10.3390/atmos13030493 -
Alkyl C-H 置信度 1.0
“In addition, these bands were 2926 cm-1 (asymmetrical C-H stretching vibration), 2862 cm-1 (CH2 stretching vibration), slightly shifted compared to glycerol, and their intensity decreased significantly.”
Morphology and Selected Properties of Modified Potato Thermoplastic Starch DOI: 10.3390/polym15071762 -
Acetate 置信度 1.0
“The The spectrum revealed that the polymers had five major common peaks: -NH stretching vibration peak spectrum revealed that the polymers had five major common peaks: -NH stretching vibration peak cm-1), cm-1), cm-1), (3333 CH stretching v”
Synthesis and Properties of Novel Polyurethanes Containing Long-Segment Fluorinated Chain Extenders DOI: 10.3390/polym10111292 -
Alkyl C-H 置信度 1.0
“The absorption band at 2862 cm-1 was ascribed to the C-H stretching cm-1 The spectrum of pure NaCMC shows a broad spectrum at 3345 due to the presence of -OH”
Chitosan–Carboxymethylcellulose-Based Polyelectrolyte Complexation and Microcapsule Shell Formulation DOI: 10.3390/ijms19092521 -
Alkyl C-H 置信度 0.9
“Explicit assignment: absorption peak at 2862 due to C-H stretching vibration.”
Synthesis and Characterization of Tea Polyphenol–Coated Magnetite Nanoparticles for Hyperthermia Application DOI: 10.1007/s10948-019-05189-3
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