What absorbs at 1519 cm⁻¹ in an FTIR spectrum?
A band near 1519 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
Mahdolliset funktionaalisten ryhmien määritykset
| Funktionaalinen ryhmä | Tukevat tosiasiat | Viitatut lähteet | Korkein luottamus |
|---|---|---|---|
| Carboxyl (COOH) | 2 | 2 | 1,0 |
| N-O bond | 1 | 1 | 1,0 |
| Carbonyl (C=O) | 1 | 1 | 1,0 |
| Water (H2O) | 1 | 1 | 1,0 |
| Aromatic ring | 1 | 1 | 1,0 |
Sijoitus kuvastaa kertyneitä kirjallisuustodisteita, ei yhtä auktoritatiivista sääntöä. Varmista aina suhteessa näytteesi asiayhteyteen.
Näiden määritysten taustalla oleva kirjallisuus
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Aromatic ring luottamus 1,0
“t t 1637 1635 1613 1613 1613 1614 rf(ar) Flavonoids, Aromatic stretching t t 1519 1520 1519 1524 1520 1520 rf(ar);”
Discrimination of different genuine Danshen and their extracts by Fourier transform infrared spectroscopy combined with two-dimensional correlation infrared spectroscopy DOI: 10.1016/j.saa.2012.06.013 -
Water (H2O) luottamus 1,0
“LLM confirmed rule peak-group candidate”
Synthesis and structural properties of ZnO and diatomite-supported ZnO nanostructures DOI: 10.1016/j.ceramint.2015.09.169 -
Carbonyl (C=O) luottamus 1,0
“The band at 1636 cm-1 characterizes the vibration stretching for C=O carbonyl group [58], 1519 cm-1, and 1041 cm-1.”
Ocimum basilicum-Mediated Synthesis of Silver Nanoparticles Induces Innate Immune Responses against Cucumber Mosaic Virus in Squash DOI: 10.3390/plants11202707 -
N-O bond luottamus 1,0
“As 30wt% UF was added in sample F, two new 1149 1114 1629 750 1519cm-1 1236 82.5 peaks that corresponded to N-O were observed at”
Chiang 等 - 2016 - Urea Formaldehyde Composites Reinforced with Sago DOI: 10.1155/2016/5954636 -
Carboxyl (COOH) luottamus 1,0
“The lead soaps are present in highest concenlead white with peaks at 1405 and 1045 and a sharp cm-1 peak at 1519 characteristic of lead carboxylates.”
Henderson 等 - 2019 - Infrared chemical mapping of degradation products DOI: 10.1186/s40494-019-0313-7 -
Carboxyl (COOH) luottamus 1,0
“The symmetric carboxylate stretch can be found at 1519 Methanol ( COO ) ( COO )”
Unravelling the Chemical Influence of Water on the PMMA/Aluminum Oxide Hybrid Interface In Situ DOI: 10.1038/s41598-017-13549-z
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