What absorbs at 1711 cm⁻¹ in an FTIR spectrum?
A band near 1711 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
Penetapan kumpulan berfungsi yang mungkin
| Kumpulan berfungsi | Fakta sokongan | Sumber dipetik | Keyakinan tertinggi |
|---|---|---|---|
| Carbonyl (C=O) | 5 | 5 | 1.0 |
| Aromatic ring | 1 | 1 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.9 |
| Fatty acid | 1 | 1 | 0.9 |
Pemeringkatan mencerminkan bukti literatur terkumpul, bukan satu peraturan berwibawa. Sentiasa sahkan terhadap konteks sampel anda.
Literatur di sebalik penetapan ini
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Carbonyl (C=O) keyakinan 1.0
“Explicitly assigned to C=O.”
Chaparro 等 - 2023 - Biowaxes from Palm Oil as Promising Candidates for DOI: 10.3390/ma16124402 -
Carbonyl (C=O) keyakinan 0.95
“Explicit assignment in text.”
Suys 等 - 2022 - ATR-FTIR Biosensors for Antibody Detection and Ana DOI: 10.3390/ijms231911895 -
keyakinan 0.9
“New peak at 1711 cm-1 detected and assigned to fluorenone.”
Gaitanelis 等 - 2022 - Detecting, characterising and assessing PEEK's and DOI: 10.1016/j.polymdegradstab.2022.110096 -
Carbonyl (C=O) keyakinan 0.9
“Explicit assignment: band at 1711 cm-1 associated with C=O stretching.”
Kennedy 等 - 2009 - Synthesis and characterisation of styrene butadien DOI: 10.1016/j.msec.2009.01.015 -
Fatty acid keyakinan 0.9
“Peak at 1711 cm-1 assigned to free fatty acids.”
Yu 等 - 2021 - Adipose tissue estimates the postmortem interval b DOI: 10.1016/j.microc.2021.105977 -
keyakinan 0.9
“Text: 'peak at 1711' and 'determining FFAs'.”
Dong 等 - 2020 - An indirect analytical approach based on ATR-FTIR DOI: 10.1039/d0ra03668d -
Carboxyl (COOH) keyakinan 0.9
“Assigned to -COO- antisymmetric stretching”
Khan 等 - 2022 - Design, Preparation, and Evaluation of Enteric Coa DOI: 10.1155/2022/1042253 -
Carbonyl (C=O) keyakinan 0.9
“Text: 'band in the carbonyl stretching region for ν marked at 1711' and 'Lee et al. assign these to oleic acid dimers'”
Wertz 等 - 2018 - Characterisation of oil and aluminium complex on r DOI: 10.1016/j.saa.2018.05.109)
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