What absorbs at 1626 cm⁻¹ in an FTIR spectrum?
A band near 1626 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 |
|---|---|---|---|
| Protein beta sheet | 4 | 3 | 0.95 |
| Carbonyl (C=O) | 2 | 2 | 0.9 |
| Hydroxyl (O-H) | 2 | 2 | 0.9 |
| Amide | 2 | 1 | 1.0 |
| C n single bond | 1 | 1 | 0.9 |
| Amine primary | 1 | 1 | 0.9 |
| Aromatic ring | 1 | 1 | 0.9 |
| N h | 1 | 1 | 0.8 |
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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hyder 1.0
“Explicit assignment: 'and 1626 corresponds to the ... bending'”
Dharr 等 - 2020 - Influence of pH on the structural, spectral, optic DOI: 10.1007/s10854-020-04134-8 -
Protein beta sheet hyder 0.95
“Explicit assignment in text.”
Komorek 等 - 2021 - Adsorption and Conformation Behavior of Lysozyme o DOI: 10.3390/ijms22031322 -
Carbonyl (C=O) hyder 0.9
“Text: '1626 (>C=O) amino acid cysteine absorption peaks'”
Chang 等 - 2017 - Material Characteristics of Hair Cuticles after Ha DOI: 10.18494/SAM.2017.1707 -
Protein beta sheet hyder 0.9
“Text attributes 1626 cm-1 to β-sheet structures.”
Ma 等 - 2001 - Study of oat globulin conformation by Fourier tran DOI: 10.1021/jf010053f -
Hydroxyl (O-H) hyder 0.9
“Explicit assignment: 'and 1626 represents the O-H stretching and bending vibrations'”
Monisha 等 - 2021 - Influence of Mn dopant on the crystallite size, op DOI: 10.1016/j.jpcs.2020.109654 -
Amide hyder 0.9
“Explicit assignment: amide I peak.”
Niaz 等 - 2020 - Alginate-caseinate based pH-responsive nano-coacer DOI: 10.1016/j.ijbiomac.2019.11.177 -
Aromatic ring hyder 0.9
“C-C aromatic stretching peak.”
Aamir 和 Ahmad - 2010 - Production and Stability Evaluation of Modified-Re DOI: 10.1208/s12249-010-9392-1 -
Amine primary hyder 0.9
“Text: '1626cm-1 NH2'”
Abbas 等 - 2019 - Preparation, Diagnosis, Biological Activity, and T DOI: 10.1155/2019/8962923
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