What absorbs at 2982 cm⁻¹ in an FTIR spectrum?
Una banda cerca de 2982 cm⁻¹ puede apuntar a varios grupos funcionales. A continuación se muestran las asignaciones más probables, clasificadas por cuánta evidencia publicada respalda cada una — cada una trazable a literatura (DOI) y validada de forma cruzada con nuestros más de 130,000 espectros de referencia y grafo de conocimiento.
Backed by 8 cited sources
Posibles asignaciones de grupos funcionales
| Grupo funcional | Hechos de respaldo | Fuentes citadas | Confianza máxima |
|---|---|---|---|
| Alkyl C-H | 6 | 5 | 1,0 |
| Carboxyl (COOH) | 3 | 3 | 1,0 |
| N h | 3 | 2 | 1,0 |
| Secondary amine | 2 | 1 | 1,0 |
| Hydrogen bond | 1 | 1 | 1,0 |
| Amino acid | 1 | 1 | 1,0 |
| S eq o | 1 | 1 | 1,0 |
La clasificación refleja la evidencia acumulada de la literatura, no una única regla autorizada. Siempre confirme según el contexto de su muestra.
Literatura detrás de estas asignaciones
-
Carboxyl (COOH) confianza 1,0
“LLM confirmed rule peak-group candidate”
Fatima 等 - 2021 - Extraction and Chemical Characterization of Humic DOI: 10.3390/su13168969 -
Alkyl C-H confianza 1,0
“Assigned to C-H bond of polymers”
Madadi 和 Wei - 2022 - Characterization of Calcium Silicate Hydrate Gels DOI: 10.3390/gels8020075 -
S eq o confianza 1,0
“3 1000 S=O Stretch 2982 -CH Vibrations 3 3+ 1252 CH 3-NH rocking”
Origin of Defects and Positron Annihilation in Hybrid and All-Inorganic Perovskites DOI: 10.1021/acs.chemmater.1c03540 -
Alkyl C-H confianza 1,0
“LLM confirmed rule peak-group candidate”
S-Adenosyl-L-Methionine and Cu(II) Impact Green Plant Regeneration Efficiency DOI: 10.3390/cells11172700 -
N h confianza 1,0
“DPPC(cid:48) + K5F2 it is 2957 (30 (50 Interestingly, the FTIR spectra of DPPC(cid:48) cm-1 ◦C)/2982 cm-1 ◦C), + K5F2 reveal a band at 2982 (30 (50 which is attributed 3+ 3+) (ν to the antisymmetric stretching of NH moiety asNH of Lys amino”
Adsorption/Desorption of Cationic-Hydrophobic Peptides on Zwitterionic Lipid Bilayer Is Associated with the Possibility of Proton Transfer DOI: 10.3390/antibiotics12071216 -
Alkyl C-H confianza 1,0
“Thus, the main IR bands of the EA/MMA cm-1 cm-1 acrylic binder at 2982, 2953, and 2875 (C-H stretching), 1730 (C=O stretching),”
Pintus 等 - 2022 - Multi-Analytical Investigations of Andy Warhol's DOI: 10.3390/polym14030633 -
Hydrogen bond confianza 1,0
“IR peaks of fenofibrate in prepared co-crystals when compared to pure drug thereby indicating the presence Materials of hydrogen bonding in the co-crystals as shown in Fenofibrate was obtained as a gift sample from Alembic 2982cm-1 Table 1.”
Shete 等 - 2018 - Solid State Characterization and Tableting Studies DOI: 10.5530/ijper.52.1.8 -
Alkyl C-H confianza 1,0
“The FTIR spectrum of oleic acid was presented earlier in presented earlier in the work [2]: the characteristic peaks at 2982, 2925, and 2857 cm-1 of cm-1 the work [2]: the characteristic peaks at 2982, 2925, and 2857 of the C-H stretching t”
Zlotnikov 等 - 2023 - Smart pHand Temperature-Sensitive Micelles Based DOI: 10.3390/pharmaceutics15041135
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