What absorbs at 2963 cm⁻¹ in an FTIR spectrum?
A band near 2963 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 7 cited sources
Mahdolliset funktionaalisten ryhmien määritykset
| Funktionaalinen ryhmä | Tukevat tosiasiat | Viitatut lähteet | Korkein luottamus |
|---|---|---|---|
| Alkyl C-H | 6 | 5 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
Sijoitus kuvastaa kertyneitä kirjallisuustodisteita, ei yhtä auktoritatiivista sääntöä. Varmista aina suhteessa näytteesi asiayhteyteen.
Näiden määritysten taustalla oleva kirjallisuus
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luottamus 1,0
“al.6 et Lee absorption lines at 3001.8 and 3013.3 et al., ing to the assignment by Lee the matrix shift of the cm-1 ν assigned the 2962.7 line to the vibrational tran-”
Miyamoto 等 - 2012 - Cluster size resolving analysis of CH3F-(ortho-H-2 DOI: 10.1063/1.4765698 -
Alkyl C-H luottamus 1,0
“detected at 2962.67 cm-1 and 756.46 cm-1 can be attributed to the C-H stretching and bending vibration, respectively.”
Cimavilla-Roman 等 - 2020 - Influence of silica aerogel particles on the foami DOI: 10.1016/j.eurpolymj.2020.109884 -
Alkyl C-H luottamus 1,0
“As Fe 3O 4-g-C 3N was covered with the 4 cm-1 polymer, the weak band at 2963 probably is due to the stretching vibration of aliphatic CH in the polymer structure.”
Silver incorporated into g-C3N4/Alginate as an efficient and heterogeneous catalyst for promoting click and A3 and KA2 coupling reaction DOI: 10.1038/s41598-021-93239-z -
Carboxyl (COOH) luottamus 1,0
“cm-1 cm-1/2920 cm-1/2853 cm-1 (ester), 1721 weak triple peak (carboxylic acid), 2963 triple peak (aliphatics), cm-1 and the sixth unresolved one at 3500 (Fig.”
Towards the identification of humic ligands associated with iron transport through a salinity gradient DOI: 10.1038/s41598-022-19618-2 -
Alkyl C-H luottamus 1,0
“The spectrum shows 3030 cm-1, 2963 cm-1, 2925 cm-1, and 2855 cm-1 lines interpreted as stretch C-H vibrations in =CH-, -CH2-”
Bound (“Glassy”) Rubber as a Free Radical Cross-linked Rubber Layer on a Carbon Black DOI: 10.3390/ma11101992 -
Alkyl C-H luottamus 1,0
“The peak at 825 was due to the presence of C-S stretching cm-1 vibration and the peak at 2962.66 can be ascribed to C-H band vibration [34,37,38].”
Manivannan 等 - 2022 - Animal fiber characterization and fiber loading ef DOI: 10.1101/238626 -
Alkyl C-H luottamus 1,0
“LLM confirmed rule peak-group candidate”
Nikpassand 等 - 2017 - Green synthesis of novel 2-pyrazolyl-1,3-thiazolid DOI: 10.1515/hc-2017-0124
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