What absorbs at 2898 cm⁻¹ in an FTIR spectrum?
A band near 2898 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
Lehetséges funkcionális csoport hozzárendelések
| Funkcionális csoport | Támogató tények | Hivatkozott források | Legmagasabb megbízhatóság |
|---|---|---|---|
| Alkyl C-H | 8 | 8 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| C c single bond | 1 | 1 | 1,0 |
| Methoxy (OCH3) | 1 | 1 | 1,0 |
| Methacrylate | 1 | 1 | 1,0 |
| C-O single bond | 1 | 1 | 1,0 |
| Acetate | 1 | 1 | 1,0 |
| Carbohydrate | 1 | 1 | 1,0 |
A rangsor a felhalmozott irodalmi bizonyítékokat tükrözi, nem egyetlen tekintélyes szabályt. Mindig ellenőrizze a minta kontextusában.
A hozzárendelések mögötti irodalom
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Alkyl C-H megbízhatóság 1,0
“CH symmetric stretch Lipids 2902 3 cm-1 CH symmetric stretch Lipids 2898 3 cm-1”
Salivary ATR-FTIR Spectroscopy Coupled with Support Vector Machine Classification for Screening of Type 2 Diabetes Mellitus DOI: 10.3390/diagnostics13081396 -
Carbohydrate megbízhatóság 1,0
“The IR crystallinity index was measured using an infrared absorption ratio of A 1368(C-Hbending)/A 2898(C-Hstretching), as proposed by Nelson and cm-1 O'Connor [55], since the band at 1372 is assigned to crystalline structure of cellulose,”
Cosma 等 - 2023 - Modification of Cotton and Leather Surfaces Using DOI: 10.3390/ma16041397 -
Acetate megbízhatóság 1,0
“The band at 897 and for control and historical 2899.88cm-1 2898.20cm-1 for the control sample, and at for the samples respectively belongs to C-O-C, C-C-O, and C-C-H”
Investigate the role of fungal communities associated with a historical manuscript from the 17th century in biodegradation DOI: 10.1038/s41529-022-00296-4 -
Alkyl C-H megbízhatóság 1,0
“A reduction in relative intensity of band HCU/g, treated pulps, the same was recorded at = 18.48°, cm-1, at 2898 representing the C-H stretching vibration 18.52°, 18.62° and 18.42°, respectively.”
A study elucidating the relation between cellulose dissolution and crystallinity after cellulase treatment at different doses DOI: 10.1007/s13205-021-02920-7 -
Hydroxyl (O-H) megbízhatóság 1,0
“As depicted in Figure 2, the broad peak at 3338 cm-1 which appears in both spectra is attributed to the O-H frequency, whereas the peaks at 2898 and cm-1”
Razak 等 - 2014 - The Influence of Chemical Surface Modification of DOI: 10.3390/molecules19032957 -
Alkyl C-H megbízhatóság 1,0
“LLM confirmed rule peak-group candidate”
Zhu 等 - 2020 - Daylight-Active Cellulose Nanocrystals Containing DOI: 10.3390/ma13163547 -
Alkyl C-H megbízhatóság 0,9
“Band at 2898 cm-1 assigned to stretch CH”
Hydrothermal synthesis of bacterial cellulose–copper oxide nanocomposites and evaluation of their antimicrobial activity DOI: 10.1016/j.carbpol.2017.09.081 -
Alkyl C-H megbízhatóság 0,9
“assigned to stretching vibrations of -CH group”
Immobilization of Methyltrioxorhenium on Mesoporous Aluminosilicate Materials DOI: 10.3390/ma7042650
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