What absorbs at 988 cm⁻¹ in an FTIR spectrum?
A band near 988 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
Caktime të mundshme të grupeve funksionale
| Grup funksional | Fakte mbështetëse | Burimet e cituara | Besueshmëri e lartë |
|---|---|---|---|
| Phosphate (PO4) | 2 | 2 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Nucleic acid | 1 | 1 | 1,0 |
| Alkene (C=C) | 1 | 1 | 1,0 |
| Siloxane (Si-O-Si) | 1 | 1 | 1,0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1,0 |
| Methoxy (OCH3) | 1 | 1 | 1,0 |
| Methacrylate | 1 | 1 | 1,0 |
| C-O single bond | 1 | 1 | 1,0 |
| Acetate | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| N h | 1 | 1 | 1,0 |
| Secondary amine | 1 | 1 | 1,0 |
| C n single bond | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Metal oxygen | 1 | 1 | 1,0 |
Renditja pasqyron provat e grumbulluara të literaturës, jo një rregull të vetëm autoritar. Gjithmonë konfirmoni në kontekstin e mostrës suaj.
Literatura pas këtyre caktimeve
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Metal oxygen besueshmëri 1,0
“around 988 - 1050 These bands are assigned to the stretching vibration of Yb-O [7].”
Hamzah 等 - 2012 - Chemical Durability of Yb doped Lead Tellurite Gla DOI: 10.4028/www.scientific.net/AMR.501.81 -
Hydroxyl (O-H) besueshmëri 1,0
“The PtNPs/GNs/PG electrode showed bands at 988 cm-1, 1290 cm-1, 1632 cm-1 and 3222 cm-1, which confirms O-H bonding, C-N stretching and N-H, as well as CThebareelectrodestudiedbySEMshowsnodeposition(Figure6A)ontoPGE,whereas cm-1, which was”
An Amperometric Acetylcholine Biosensor Based on Co-Immobilization of Enzyme Nanoparticles onto Nanocomposite DOI: 10.3390/bios13030386 -
Alkyl C-H besueshmëri 1,0
“cm-1, the C-H stretching vibration at 2942 cm-1, C-H bending vibrations at 1428 cm-1, and cm-1, cm-1, cm-1, 3322 the C-H stretching vibration at 2942 C-H bending vibrations at 1428 C-O-C stretching vibrations at 1049 cm-1, 988 cm-1, and 908”
Structural Analysis of Oxidized Sucrose and Its Application as a Crease-Resistant Crosslinking Agent DOI: 10.3390/polym14142842 -
besueshmëri 1,0
“As principais bandas apresentadas são: banda característica de ligações Si-O-Si em 988 cm-1, cm-1, em 795 banda característica da camada octaédrica;”
Fernandes 等 - 2018 - Membranes of polysulfoneclay influence of differ DOI: 10.1590/S1517-707620170001.0317 -
Alkene (C=C) besueshmëri 1,0
“Regarding cm-1 the 988 signals, this band disappeared overlapped by the trans double bond band (at”
Chemometric comparison of almond oxidation rates using kinetic parameters obtained by infrared spectroscopy DOI: 10.1002/jsfa.10513 -
Phosphate (PO4) besueshmëri 1,0
“Moreover, in the samples synthesized from the phosphorylated polyols new bands could cm-1 cm-1 be identified at 1269 (P=O stretching vibration), 988 (P-O stretching vibration)”
Bio-Based Phosphate-Containing Polyester for Improvement of Fire Reaction in Wooden Particleboard DOI: 10.3390/polym15051093 -
Phosphate (PO4) besueshmëri 1,0
“The peak at 1271.95 cm-1 could be ascribed to the stretching vibration of P=O, while the peak at cm-1 The peak at 1271.95 could be ascribed to the stretching vibration of P=O, while the peak at 987.74 cm-1 could be assigned to the vibration”
Synthesis of Phosphated K-Carrageenan and Its Application for Flame-Retardant Waterborne Epoxy DOI: 10.3390/polym10111268 -
Nucleic acid besueshmëri 1,0
“(cm-1) (a) Direction Proposed Biomolecular Assignment * Wavenumber +ve 988 RNA stretching, ring bending of uracil Symmetric phosphate stretching modes”
Yap 等 - 2021 - Detection of Prostate Cancer via IR Spectroscopic DOI: 10.3390/membranes11080591
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