What absorbs at 1194 cm⁻¹ in an FTIR spectrum?
A band near 1194 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
Possíveis atribuições de grupos funcionais
| Grupo funcional | Fatos de suporte | Fontes citadas | Maior confiança |
|---|---|---|---|
| Methoxy (OCH3) | 4 | 4 | 1,0 |
| Methacrylate | 4 | 4 | 1,0 |
| Acetate | 4 | 4 | 1,0 |
| C-O single bond | 3 | 3 | 1,0 |
| Phosphate (PO4) | 2 | 2 | 1,0 |
| Alkyl C-H | 2 | 1 | 1,0 |
| N-O bond | 2 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Methyl | 1 | 1 | 1,0 |
| Secondary amine | 1 | 1 | 1,0 |
| C n single bond | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| Nitrogen heterocycle | 1 | 0 | 0,9 |
A classificação reflete a evidência acumulada da literatura, não uma única regra autoritária. Sempre confirme com o contexto da sua amostra.
Literatura por trás destas atribuições
-
N-O bond confiança 1,0
“28 cm(cid:1)1 OMO-100, the peak at 1194 represents the stretching of licensed on Specication Sl no.”
Evaluation of the performance and emission and spectroscopic analysis of an improved soy methyl ester DOI: 10.1039/c9ra04342j -
Acetate confiança 1,0
“In this spectrum, the sharp peak at 1194.43 is assigned to C-O-B stretching vibration, which confirmed the formation of crosslinking of PVA with BA [49, 50].”
Sprayed in-situ synthesis of Polyvinyl alcohol/Chitosan loaded Silver nanocomposite hydrogel for improved antibacterial effects DOI: 10.1016/j.ijbiomac.2019.09.186 -
Acetate confiança 1,0
“FTIR spectroscopy peak absorbance in 1732.81 who is the peak absor- @ bance of carbonyl bond (C O) and two peaks absorbance cm(cid:2)1 m The chemical structure of bitumen is complex and bituof stretching vibration (1193.61 for and”
Li 等 - 2008 - The research of GMA-g-LDPE modified Qinhuangdao bi DOI: 10.1016/j.conbuildmat.2007.03.007 -
Phosphate (PO4) confiança 1,0
“0 :2 6 Symmetric stretching vibrations of non-bridging ~ 1194 (Q2) oxygens O-P-O (Q2) ~ 1266 Symmetric stretching vibrations of P=O (Q2) ~ 1388 Asymmetric stretching vibrations of P=O”
Andronache 和 Racolta - 2014 - Structural Investigation of MO center dot P2O5 cen DOI: 10.1063/1.4903024 -
Phosphate (PO4) confiança 1,0
“LLM confirmed rule peak-group candidate”
Dai 等 - 2020 - Effects of a Reactive Phosphorus-Sulfur Containing DOI: 10.3390/polym12071441 -
confiança 1,0
“the peaks at cm-1 cm-1 cm-1 1194 and 1163 for aromatic C-N stretching vibrations.”
Unveiling the role of novel biogenic functionalized CuFe hybrid nanocomposites in boosting anticancer, antimicrobial and biosorption activities DOI: 10.1038/s41598-021-87363-z -
Acetate confiança 1,0
“spectra have a C-H bond/wavelength with length ranging from 2800 to 3000 In cm-1 D50::S70:M30, and D50::S80:M20, the peak reported at 1194 is due to the stretching of O-CH 3, which is a trace of FAME.”
Hasnain 等 - 2023 - Performance, Emission, and Spectroscopic Analysis DOI: 10.3390/su15097415 -
Acetate confiança 1,0
“All three cm-1 cm-1 azo compounds exhibit a specific peak at 1194 (Mono_A) and 1190 (Di_A C-O and Tris_A) corresponding to the band stretching phenol.”
Synthesis, Characterization, DFT Study and Antifungal Activities of Some Novel 2-(Phenyldiazenyl)phenol Based Azo Dyes DOI: 10.3390/ma15228162
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