What absorbs at 1517 cm⁻¹ in an FTIR spectrum?
A band near 1517 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 4 cited sources
Mga posibleng pagtatalaga ng functional-group
| Functional group | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| Aromatic ring | 2 | 2 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.8 |
| Alkyl C-H | 1 | 1 | 0.6 |
| Hydroxyl (O-H) | 1 | 1 | 0.6 |
| C-O single bond | 1 | 1 | 0.6 |
| Amide | 1 | 0 | 0.6 |
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
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Aromatic ring kumpiyansa 0.9
“Text: 'multiple bands at 1517 for C=C stretching of aromatic'”
Malakootian 和 Ahmadian - 2019 - Ciprofloxacin removal by electro-activated persulf DOI: 10.1007/s13201-019-1024-7 -
Aromatic ring kumpiyansa 0.9
“Explicit assignment: 'aromatic vibrations at 1607 and 1517 cm-1'.”
Yoo 等 - 2016 - Understanding the Physicochemical Characteristics DOI: 10.1007/s12155-015-9662-6 -
Carboxyl (COOH) kumpiyansa 0.8
“Text: 'two absorption bands at 1517 cm-1 ... combination of carboxylate salts and the first type amine'.”
Yeganeh 等 - 2022 - In vitro cytotoxicity and anti-cancer drug release DOI: 10.21203/rs.3.rs-1128844/v2 -
C-O single bond kumpiyansa 0.6
“related mainly to stretching”
Rosiak 等 - 2023 - Do Rutin and Quercetin Retain Their Structure and DOI: 10.3390/molecules28062713
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