What absorbs at 1264 cm⁻¹ in an FTIR spectrum?
Una banda cerca de 1264 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 7 cited sources
Posibles asignaciones de grupos funcionales
| Grupo funcional | Hechos de respaldo | Fuentes citadas | Confianza máxima |
|---|---|---|---|
| Alkyl C-H | 1 | 1 | 1,0 |
| Secondary amine | 1 | 1 | 1,0 |
| Carbonyl (C=O) | 1 | 1 | 1,0 |
| Ketone | 1 | 1 | 1,0 |
| Lignin | 1 | 1 | 1,0 |
| Ester | 1 | 1 | 1,0 |
| Borate | 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
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Borate confianza 1,0
“The mode at 1264 is likely due B-O vibrational motions in the molecule, while the to imperfections in the gold surface allowing the silicon”
Brewer 等 - 2004 - Infrared detection of a phenylboronic acid termina DOI: 10.1021/la035037m -
Ester confianza 1,0
“cm-1 The vibration peak near 1264 is attributed to esters from DOTP in C-1.”
Synthesis, characterization and thermal behavior of plasticized poly (vinyl chloride) doped with folic acid-modified titanium dioxide DOI: 10.1038/s41598-022-07177-5 -
Lignin confianza 1,0
“1245, and 1125 The lignin band at 1264 cm(cid:1)1, obwhich was not visible in the spectra tained from undecayed beech wood, developed”
Examination of the lignin content in a softwood and a hardwood decayed by a brown-rot fungus with the acetyl bromide method and Fourier transform infrared spectroscopy DOI: 10.1002/pola.20071 -
Ketone confianza 1,0
“1628 Ketone stretch ketone) C@O 1264?1302cm(cid:2)1, ?1394cm(cid:2)1, COO(cid:2) (m ? (Fig.”
Adsorption of Enrofloxacin on montmorillonite: Two-dimensional correlation ATR/FTIR spectroscopy study DOI: 10.1016/j.jcis.2012.09.039 -
Carbonyl (C=O) confianza 1,0
“The polymerization of the SI-PDEAEMA_exf.GO_2 is observed at 1450 and 1384 3 iley.com cm-1 (2 mL exfoliated SI-GO dispersion was used during polymerizaThe peaks at 1264 and 1146 correspond to the CO tion) sample was conducted within 5 days”
Aliyev 等 - 2020 - SI-ATRP Polymer-Functionalized Graphene Oxide for DOI: 10.1002/admi.202000443. -
Secondary amine confianza 1,0
“A significant peak at 1264 cm-1 cm-1 stretching in secondary amines of PRO.”
New Insights into the Interaction between Graphene Oxide and Beta-Blockers DOI: 10.3390/nano9101429 -
Alkyl C-H confianza 1,0
“◦C cm-1 cm-1 PI-2 at 213 and 494 are at 1738 (C=O stretching vibrations), 3444 (-OH cm-1 stretching vibrations), 2970, 2924 and 2853 (C-H stretching vibrations), 1264 and cm-1 cm-1 1063 (C-O-C), and 1463, 1117 and 792 (P-Ar, P=O and P-O-Ar)”
Optical and Flame-Retardant Properties of a Series of Polyimides Containing Side Chained Bulky Phosphaphenanthrene Units DOI: 10.3390/ijms232113174
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