What absorbs at 3072 cm⁻¹ in an FTIR spectrum?
A band near 3072 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 | 5 | 5 | 1,0 |
| Aromatic ring | 2 | 2 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| Alkene (C=C) | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 0,7 |
Sijoitus kuvastaa kertyneitä kirjallisuustodisteita, ei yhtä auktoritatiivista sääntöä. Varmista aina suhteessa näytteesi asiayhteyteen.
Näiden määritysten taustalla oleva kirjallisuus
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Alkyl C-H luottamus 1,0
“The band at 3072 corresponding to originating from the cm-1, as(=CH) of the vinyl groups.”
Ilic-Stojanovic 等 - 2018 - Thermosensitive hydrogels for modified release of DOI: 10.1080/00914037.2017.1354202 -
Alkyl C-H luottamus 1,0
“This observation is confirmed by the presence of the cm-1, signals from C-H stretching vibrations located at 3072, 2947, and 2874 observed in figure 2(c), which also correspond to gelatin (M.”
Nieto-Villena 等 - 2018 - Infrared Ellipsometry Analysis of Heritage Photogr DOI: 10.1080/00393630.2018.1476962 -
Alkyl C-H luottamus 1,0
“Lastly, to complement at 3072 cm-1 for Poly(Ani-AMPS), ascribed to C-H stretching vibrations of the aromatic”
Role of the Anilinium Ion on the Selective Polymerization of Anilinium 2-Acrylamide-2-methyl-1-propanesulfonate DOI: 10.3390/polym13142349 -
Alkyl C-H luottamus 1,0
“40 140 240 340 440 540 640 cm-1), 3500 the stretching vibrations of = C-H and C Ar-H Temperature/°C cm-1), (3072 the stretching vibrations of C-H 012345 cm-1), (2720-2990 the stretching vibrations of C=O”
Thermal studies on the starch-g-copolymers prepared from two terpene acrylate monomers under oxidative conditions DOI: 10.1007/s10973-019-08036-8 -
Aromatic ring luottamus 0,9
“Explicit assignment: C-H region at 3072 for aromatic stretching”
Coumarin–carbazole based functionalized pyrazolines: synthesis, characterization, anticancer investigation and molecular docking DOI: 10.1039/d1ra03970a -
Alkyl C-H luottamus 0,8
“ν(C-H) stretching.”
A Hybrid {Silk@Zirconium MOF} Material as Highly Efficient AsIII-sponge DOI: 10.1038/s41598-020-66091-w -
Hydroxyl (O-H) luottamus 0,7
“OH harmonic stretching frequency”
Growth, structure, Hirshfeld surface and spectroscopic properties of 2-amino-4-hydroxy-6-methylpyrimidinium-2,3-pyrazinedicorboxylate single crystal DOI: 10.1016/j.molstruc.2017.11.019
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