What absorbs at 3154 cm⁻¹ in an FTIR spectrum?
Et bånd nær 3154 cm⁻¹ kan peke på flere funksjonelle grupper. Nedenfor er de mest sannsynlige tildelingene, rangert etter hvor mye publiserte bevis som støtter hver — hver enkelt sporbar til litteratur (DOI) og kryssvalidert mot våre 130 000+ referansespektre og kunnskapsgraf.
Backed by 7 cited sources
Mulige funksjonelle gruppe-tilordninger
| Funksjonell gruppe | Støttende fakta | Siterte kilder | Toppkonfidens |
|---|---|---|---|
| Methoxy (OCH3) | 2 | 2 | 1.0 |
| Methacrylate | 2 | 2 | 1.0 |
| Acetate | 2 | 2 | 1.0 |
| Hydroxyl (O-H) | 2 | 2 | 1.0 |
| C=n | 1 | 1 | 1.0 |
| Carbon dioxide | 1 | 1 | 1.0 |
| Aldehyde (CHO) | 1 | 1 | 1.0 |
| C-O single bond | 1 | 1 | 1.0 |
| C c single bond | 1 | 1 | 1.0 |
| Methyl | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Amine primary | 1 | 1 | 1.0 |
| N h | 1 | 1 | 0.9 |
Rangeringen gjenspeiler akkumulert litteraturbevis, ikke en enkelt autoritativ regel. Bekreft alltid mot prøvekonteksten din.
Litteratur bak disse tilordningene
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Amine primary konfidens 1.0
“The broad absorption peak at 3154 is due to cm-1 symmetric stretching mode of -NH 2.”
Karuppannan 和 Prashantha - 2010 - Nano structured carbon nitrides prepared by chemic DOI: 10.1117/12.861609 -
Acetate konfidens 1.0
“The band which appears at 3154 is attributed to ( = O - CH 3) double 265 37 38”
Misenan 等 - 2018 - Electrical and structural studies of polymer elect DOI: 10.1088/2053-1591/aac25b -
Hydroxyl (O-H) konfidens 1.0
“As shown in Figure S4 (zoomed part), prominent cm-1 cm-1 O-H 1250 can be attributed to stretching, while bands are because of stretching bands at 1576, 1607, and 1628 cm-1 C-H are due to the stretching of at 2857 and 2924 vibrations of the”
Bir 等 - 2022 - Multifunctional Ternary NLPZnO@L-cysteine-grafted DOI: 10.1021/acsomega.2c04936 -
Carbon dioxide konfidens 1.0
“The intense bands at 1642.79 cm-1 and 3153.55 cm-1 were then assigned to CO2 vibration and O-H vibrations, respectively, ratifying the presence of surface γ-Fe2O3 hydroxyl groups.”
Fauzi 等 - 2020 - Nanostructured ChitosanMaghemite Composites Thin DOI: 10.3390/polym12071497 -
C=n konfidens 1.0
“1, showed NH stretching 8.33(cid:4), 18.5(cid:4), 19.78(cid:4), 23.5(cid:4) 28.08(cid:4) 2q ¼ peaks at and with limited cm(cid:3)1, vibration peak at 3154 while the imine stretching peak (011).37 planes at (010), (110) and cm(cid:3)1.”
Microwave-assisted facile synthesis of poly(luminol-co-phenylenediamine) copolymers and their potential application in biomedical imaging DOI: 10.1039/c8ra08373h -
N h konfidens 0.9
“assigned to N-H stretching”
Adam 等 - 2022 - Comparative Evaluation of Amlodipine Besylate Gene DOI: 10.14227/DT290422PGC2 -
Hydroxyl (O-H) konfidens 0.8
“attributed to -OH stretching”
Chiral Tartaric Acid Improves Fracture Toughness of Bioactive Brushite–Collagen Bone Cements DOI: 10.1021/acsabm.0c00555
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