What absorbs at 818 cm⁻¹ in an FTIR spectrum?
A band near 818 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
可能性のある官能基アサイン
| 官能基 | 裏付け事実 | 引用元 | 最高信頼度 |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 1.0 |
| C c single bond | 2 | 2 | 1.0 |
| Nitrate | 1 | 1 | 1.0 |
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これらのアサインの根拠となる文献
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C c single bond 信頼度 1.0
“The band 818 cm-1 is assigned with the C-C 1629 cm-1 is associated with the Carbonyl (C=C) stretching of alkanes.”
Veeramani 等 - 2022 - Vitamin Aand C-rich Pouteria camito fruit derive DOI: 10.4314/ahs.v22i1.78 -
Nitrate 信頼度 1.0
“1321 and out-of-plane bending bands are at 818 and 602 The spectra of the SiO 2/CGA hybrids show all the described SiO peaks, whereas it lacks nitrate signals.”
Synthesis of Bioactive Chlorogenic Acid-Silica Hybrid Materials via the Sol–Gel Route and Evaluation of Their Biocompatibility DOI: 10.3390/ma10070840 -
Alkyl C-H 信頼度 1.0
“Moreover, the majority cm-1 are attributed to the C-H vibration of and 818 of previous reports in literature suggest that sodium”
Lopes 等 - 2017 - Preparation and characterization of alginate and g DOI: 10.1590/0001-3765201720170071 -
Alkyl C-H 信頼度 1.0
“LLM confirmed rule peak-group candidate”
Shen 等 - 2018 - Enhanced adsorption of cationic and anionic dyes f DOI: 10.1016/j.synthmet.2018.08.015 -
Alkyl C-H 信頼度 1.0
“FTIR spectra shown in Figure 9 reveal peaks of C=C bending at 684 cm-1, C-H bending at 744 cm-1, C-H bending at 818 cm-1, C-H bending at 872 cm-1, C-N stretching aromatic amine at 1261 cm-1, C-C stretching aromatic ring at 1493 cm-1, C=C st”
Synthesis of a Polyaniline Nanoparticle Using a Solution Plasma Process with an Ar Gas Bubble Channel DOI: 10.3390/polym11010105 -
C c single bond 信頼度 1.0
“= cm-1, PXRD stretches ν(C-O) 1362 and 1315 and the C-C = cm-1 stretch ν(C-C) 818 Powder XRD analyses were performed with a Bruker [3] are clearly seen.”
Formation of zinc oxalate from zinc white in various oil binding media: the influence of atmospheric carbon dioxide by reaction with 13CO2 DOI: 10.1186/s40494-020-00467-z
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