What absorbs at 1672 cm⁻¹ in an FTIR spectrum?
A band near 1672 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
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| Carbonyl (C=O) | 4 | 4 | 1.0 |
| Protein beta turn | 1 | 1 | 0.9 |
| Amide | 1 | 1 | 0.9 |
| N h | 1 | 1 | 0.9 |
Mae＇r safle＇n adlewyrchu tystiolaeth llenyddiaeth gronnwyd, nid rheol awdurdodol sengl. Cadarnhewch bob amser yn erbyn eich cyd-destun sampl.
Llenyddiaeth y tu ôl i＇r aseiniadau hyn
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Carbonyl (C=O) hyder 1.0
“The most intense bands were the carbonyl peak at 1672 cm-1 and the benzene ring stretching at 1514, 1477, and 1392 cm-1.”
Armenta 等 - 2005 - FTIR approaches for diuron determination in commer DOI: 10.1021/jf050268f -
hyder 1.0
“Explicit assignment: 'amide C=O stretching mode at 1672 cm-1'.”
Zimudzi 等 - 2018 - Quantifying Carboxylic Acid Concentration in Model DOI: 10.1021/acs.macromol.8b01194. -
N h hyder 0.9
“Explicit assignment: 'N-H band at 1672 cm-1'”
Bagchi 等 - 2007 - Two-dimensional infrared investigation of N-acetyl DOI: 10.1021/jp067348m -
hyder 0.9
“Text: 'peak at 1672 corresponds to Pd-nitrogen stretching band'”
Balaji 等 - 2020 - Fabrication of palladium nanoparticles anchored po DOI: 10.1016/j.apsusc.2020.145403 -
Carbonyl (C=O) hyder 0.9
“Explicit assignment in text.”
Hastuti 等 - 2019 - Synthesis and characterization of L-Arginine modif DOI: 10.1088/1757-899X/509/1/012135 -
Amide hyder 0.9
“Text: 'PVP-VA 64 carbonyl stretching (amide) 1672'”
Worku 等 - 2014 - Drug-olymer Miscibility across a Spray Dryer A Ca DOI: 10.1021/mp4003943 -
Carbonyl (C=O) hyder 0.9
“explicit assignment”
Awais 等 - 2023 - Enhanced Solubility and Stability of Aripiprazole DOI: 10.3390/molecules28093860 -
Protein beta turn hyder 0.9
“Explicit assignment: 'at 1672 and 1666 the β-turns'”
Kristo 等 - 2021 - Optimization of layering technique and secondary s DOI: 10.1371/journal.pone.0260603
Oes gennych sbectrwm gyda＇r band hwn?
Llwythwch eich sbectrwm FTIR i fyny a chael adroddiad dehongli llawn — aseiniadau brig gyda chyfeiriadau llenyddiaeth, cyfateb llyfrgell, a chadwyn dystiolaeth â gradd hyder — mewn eiliadau.
Dehongli fy sbectrwm