What absorbs at 1536 cm⁻¹ in an FTIR spectrum?
A band near 1536 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
Mga posibleng pagtatalaga ng functional-group
| Functional group | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| Alkene (C=C) | 2 | 2 | 1.0 |
| Amide | 2 | 2 | 0.9 |
| Carboxyl (COOH) | 2 | 2 | 0.9 |
| Carbonyl (C=O) | 1 | 1 | 0.9 |
| N h | 1 | 1 | 0.9 |
| Nitro (NO2) | 1 | 1 | 0.7 |
| C c single bond | 1 | 0 | 0.9 |
Ang pagraranggo ay sumasalamin sa naipon na ebidensya ng literatura, hindi isang solong awtoritatibong tuntunin. Palaging kumpirmahin laban sa konteksto ng iyong sample.
Literatura sa likod ng mga pagtatalagang ito
-
Alkene (C=C) kumpiyansa 1.0
“Explicit assignment in text: 'reduced C=O and C=C peaks at 1734 cm-1 and 1536 cm-1'”
Shunmugam 等 - 2021 - TAGUCHI ORTHOGONAL DESIGN FOR OPTIMIZING A UNIFIED DOI: 10.11113/jurnalteknologi.v83.15109 -
Carboxyl (COOH) kumpiyansa 0.9
“band for calcium alginate”
Castro 等 - 2021 - Design and Optimization of a Self-Assembling Compl DOI: 10.3390/polym13132080 -
N h kumpiyansa 0.9
“Text: 'amide II ... shifts 1536cm-1'”
Dyakonov 等 - 2012 - Design and characterization of a silk-fibroin-base DOI: 10.1155/2012/490514 -
Alkene (C=C) kumpiyansa 0.9
“Text: 'C=C ... at 1536cm-1'”
Fernandez-Gomez 等 - 2023 - Effect of Multi-walled Carbon Nanotubes Functional DOI: 10.1093/micmic/ozad067.016 -
Carboxyl (COOH) kumpiyansa 0.9
“Sharp band at 1536 cm-1 assigned to carboxylate (COO-) for zinc soaps.”
Hermans 等 - 2015 - An infrared spectroscopic study of the nature of z DOI: 10.1039/c5ja00120j -
kumpiyansa 0.9
“Text: 'pyridinium ion band at 1536'”
Liu 等 - 2016 - Synthesis, Characterization and Catalytic Performa DOI: 10.5935/0103-5053.20150356 -
Amide kumpiyansa 0.9
“Text: 'Amide II band, near 1536 cm-1'”
Mohamed 等 - 2020 - Conservation and Characterization of Arabic Papyru DOI: 10.1088/1757-899X/949/1/012003 -
Carbonyl (C=O) kumpiyansa 0.9
“Carbonyl group (C=O) noticed as prominent peak at 1536.35 cm-1.”
Shoukat 等 - 2022 - Development of beta-cyclodextrinpolyvinypyrrolido DOI: 10.1371/journal.pone.0263026
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