What absorbs at 2700 cm⁻¹ in an FTIR spectrum?
Una banda cerca de 2700 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 | 3 | 3 | 1,0 |
| Hydroxyl (O-H) | 2 | 2 | 1,0 |
| N-O bond | 1 | 1 | 1,0 |
| Aromatic ring | 1 | 1 | 1,0 |
| Metal oxygen | 1 | 1 | 1,0 |
| Water (H2O) | 1 | 0 | 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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Hydroxyl (O-H) confianza 1,0
“In several studies, the FT-IR spectra of plant extracts x-ray spectroscopy (EDAX), scanning electron microscopy (SEM), cm(cid:0) 1 (O-H showed the presence of peaks at around 2700 stretching) and transmission electron microscopy (TEM) and x”
Jegadeesan 等 - 2019 - Green synthesis of iron oxide nanoparticles using DOI: 10.1016/j.bcab.2019.101354 -
Metal oxygen confianza 1,0
“The peaks observed at 2700 are ascribed to Cd-O bending vibration and the peak SEM micrograph of Cd-doped ZnO powder is clearly shown in Fig.”
Koutavarapu 等 - 2021 - Structural, optical and magnetic properties of Cd DOI: 10.1007/s10854-021-05795-9 -
Alkyl C-H confianza 1,0
“LLM confirmed rule peak-group candidate”
Impact of high microwave power on hydrogen impurity trapping in nanocrystalline diamond films grown with simultaneous nitrogen and oxygen addition into methane/hydrogen plasma DOI: 10.1016/j.jcrysgro.2015.10.037 -
Alkyl C-H confianza 1,0
“2700 cm-1 acid respectively, C-H stretching at 2950 and 3100 for Spectroscopic Studies the aliphatic and aromatic carbons respectively.”
Ugwu 等 - 2023 - Synthesis, Structure, Hirshfeld Surface Analysis, DOI: 10.1007/s10870-023-00978-0 -
Aromatic ring confianza 1,0
“LLM confirmed rule peak-group candidate”
Evaluation of Properties and Micro-Characteristics of Waste Polyurethane/Styrene-Butadiene-Styrene Composite Modified Asphalt DOI: 10.3390/polym13142249 -
Alkyl C-H confianza 1,0
“Sincethesamealignmentmapswere cm-1, observed for the absorption lines C=O and C-H, as well as for the non-absorbing band at 2700 the determined alignment was due to the structure of the q-plate rather than the molecular alignment Λ µm2) × =”
Infrared Polariscopy Imaging of Linear Polymeric Patterns with a Focal Plane Array DOI: 10.3390/nano9050732 -
Hydroxyl (O-H) confianza 1,0
“The gray curve in the 2700cm-1 2000 regions represents O-D stretching vibrations of D 2O at room temperature.”
Spectral Tuning Mechanism of Primate Blue-sensitive Visual Pigment Elucidated by FTIR Spectroscopy DOI: 10.1038/s41598-017-05177-4
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