What absorbs at 1487 cm⁻¹ in an FTIR spectrum?
A band near 1487 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 5 cited sources
Moguće dodjele funkcionalnih skupina
| Funkcionalna skupina | Potporni dokazi | Citirani izvori | Najveća pouzdanost |
|---|---|---|---|
| C c single bond | 2 | 2 | 1,0 |
| N-O bond | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| Borate | 1 | 1 | 1,0 |
Rangiranje odražava akumulirane literaturne dokaze, a ne jedno autoritativno pravilo. Uvijek provjerite u kontekstu vašeg uzorka.
Literatura iza ovih dodjela
-
C c single bond pouzdanost 1,0
“The peaks at 1487 1454cm-1 -COOν and are due to the between and C-C”
Das 等 - 2004 - Kinetics and adsorption behaviour of salicylate on DOI: 10.1016/j.colsurfa.2004.02.010 -
Borate pouzdanost 1,0
“Anti-symmetric stretching vibra- (NBO's) B-O-B tions with three non-bridging oxygens of groups were cm(cid:0) 1 identified with the bands around 1487 in all the glasses.”
Influence of BaO on spectral studies of Cr2O3 doped titanium-boro-tellurite glasses DOI: 10.1016/j.optmat.2020.110329 -
Alkyl C-H pouzdanost 1,0
“cm(cid:1)1 cm(cid:1)1 2849 combination band, the 1487 CH asymmetric 3 cm(cid:1)1 deformation band, the 1450 CH scissoring band, or the”
Vibrational Stark effect (VSE) on the infrared spectrum of a poly(methyl methacrylate) thin film DOI: 10.1016/j.vibspec.2015.03.006 -
C c single bond pouzdanost 1,0
“LLM confirmed rule peak-group candidate”
A Comparison of the Effect of Cellulose Nanocrystals (CNCs) and Polyethylene Glycol (PEG) as Additives in Ultrafiltration Membranes (PES-UF): Characterization and Performance DOI: 10.3390/polym15122636 -
N-O bond pouzdanost 1,0
“cm(cid:2)1, cm(cid:2)1 reconstituted into PS1 we observe no band at 1487 decreases in intensity Second, a positive band at 1494 on18Olabeling, 9.”
Time-Resolved FTIR Difference Spectroscopy in Combination with Specific Isotope Labeling for the Study of A1, the Secondary Electron Acceptor in Photosystem 1 DOI: 10.1529/biophysj.107.113191
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