What absorbs at 1555 cm⁻¹ in an FTIR spectrum?
A band near 1555 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 |
|---|---|---|---|
| Amide | 4 | 4 | 1.0 |
| N h | 1 | 1 | 0.95 |
| Carboxyl (COOH) | 1 | 1 | 0.9 |
| C=n | 1 | 1 | 0.9 |
| Alkyl C-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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Amide hyder 1.0
“Explicit assignment: 'amide II 1555 cm-1'.”
Park 等 - 2000 - Vibrational Stark spectroscopy of NO bound to heme DOI: 10.1021/ja0014741 -
N h hyder 0.95
“Explicit assignment in text.”
Cojocaru 等 - 2022 - Electrospun Nanofibrous Membranes Based on Citric DOI: 10.3390/polym14020294 -
Alkyl C-H hyder 0.9
“Text: 'bands at ... 1555 ... which corresponds at ... C-H'.”
Malaikozhundan 等 - 2017 - Two potential uses for silver nanoparticles coated DOI: 10.1016/j.micpath.2017.08.039 -
hyder 0.9
“Explicit assignment in text”
Berthelot 等 - 2007 - New conductive copolymer membranes via track-etche DOI: 10.1016/j.nimb.2007.08.066 -
C=n hyder 0.9
“Attributed to C=N stretching vibration.”
Han 等 - 2020 - Effects of processing conditions on the properties DOI: 10.1016/j.rser.2017.10.002. -
Amide hyder 0.9
“Explicit assignment.”
Paraskevaidi 等 - 2017 - Differential diagnosis of Alzheimer's disease usin DOI: 10.6084/m9.figshare. -
Carboxyl (COOH) hyder 0.9
“Explicit assignment in text”
Pinzon-Moreno 等 - 2022 - Degradation of Hydrogels Based on Potassium and So DOI: 10.3390/polym14132656 -
Amide hyder 0.9
“Text: 'Peaks located at ~1650 and 1555 corresponded with the presence of amide I and amide II structures.'”
Sarna-Bos 等 - 2022 - Physicochemical Properties and Surface Characteris DOI: 10.3390/molecules27185852
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