What absorbs at 3025 cm⁻¹ in an FTIR spectrum?
A band near 3025 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
Galimi funkcinių grupių priskyrimai
| Funkcinė grupė | Pagrindžiantys faktai | Cituoti šaltiniai | Aukščiausias pasitikėjimas |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Silicon (Si) | 1 | 1 | 1,0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1,0 |
| Aromatic ring | 1 | 1 | 1,0 |
| Alkene (C=C) | 1 | 1 | 1,0 |
Reitingavimas atspindi sukauptą literatūros įrodymų kiekį, o ne vieną autoritetingą taisyklę. Visada patvirtinkite pagal savo mėginio kontekstą.
Literatūra, kuria remiantis atlikti šie priskyrimai
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Alkene (C=C) pasitikėjimas 1,0
“cm-1 cm-1 cm-1 * support at 1600 3025 and 3060 in the experimental FTIR assigned to stretching cm-1 * spectrum and at wavenumbers 3025 vibration of the C=C bond [37].”
Theoretical insight into plasma deposition of laccase bio-coating formation DOI: 10.1007/s10853-019-03641-2 -
Alkyl C-H pasitikėjimas 1,0
“size and size distribution of the NRG suspended in toluene were 3025cm-1 The characteristic peaks at measuredbyaLaserParticleSizeAnalyzer(LPSA;BeckmanCoulter (C-H aromatic), 1610cm-1 2849cm-1 LS 230).”
Riyajan 等 - 2012 - Physical properties of polymer composite Natural DOI: 10.1016/j.indcrop.2011.10.017 -
pasitikėjimas 1,0
“Additionally, the bands at 471 and 814 in nano-SiO spectrum represent 2 corresponded to large numbers of Si-O-H group and =CH the new peak at 3025 cm-1 Si-O bending vibration and stretching vibration, respectively.”
Preparation and Characterization of Novel Microgels Containing Nano-SiO2 and Copolymeric Hydrogel Based on Poly (Acrylamide) and Poly (Acrylic Acid): Morphological, Structural and Swelling Studies DOI: 10.3390/ma15144782 -
Alkyl C-H pasitikėjimas 0,8
“bands from 3025 to 2869 assigned to alkanes”
Mir 等 - 2022 - Chemical composition and insecticidal activity of DOI: 10.47665/tb.39.2.005
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