What absorbs at 2861 cm⁻¹ in an FTIR spectrum?
A band near 2861 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 6 cited sources
Možná přiřazení funkčních skupin
| Funkční skupina | Podpůrná fakta | Citované zdroje | Nejvyšší spolehlivost |
|---|---|---|---|
| Alkyl C-H | 5 | 5 | 1,0 |
| Ammonium | 1 | 1 | 1,0 |
| Alkene (C=C) | 1 | 0 | 1,0 |
Pořadí odráží nahromaděné literární důkazy, nikoli jediné autoritativní pravidlo. Vždy potvrďte v kontextu vašeho vzorku.
Literatura za těmito přiřazeními
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Alkyl C-H spolehlivost 1,0
“A strong peak at 1750 cm-1, was attributed to the C=O stretching, and distinctive cm-1 cm-1 distinctive peaks at 2940 and 2861 were ascribed to the CH stretching in peaks at 2940 cm-1 and 2861 cm-1 were ascribed to the CH2 stretching in PCL”
Plasma-Induced Graft Polymerization of Polyethylenimine onto Chitosan/Polycaprolactone Composite Membrane for Heavy Metal Pollutants Treatment in Industrial Wastewater DOI: 10.3390/coatings12121966 -
Alkyl C-H spolehlivost 1,0
“cm-1 cm-1 2861 was dispensed to C-H stretching.”
New Insight on Photoisomerization Kinetics of Photo-Switchable Thin Films Based on Azobenzene/Graphene Hybrid Additives in Polyethylene Oxide DOI: 10.3390/polym12122954 -
Alkyl C-H spolehlivost 1,0
“LLM confirmed rule peak-group candidate”
Musa 等 - 2017 - Development and evaluation of exemestane-loaded ly DOI: 10.15171/bi.2017.27 -
Alkyl C-H spolehlivost 1,0
“Structural Analysis of Microspheres In the pure TRHC spectrum (Figure 8), characteristic peaks appeared at 3300.55 cm-1 for OH and 2929.68 and 2860.73 cm-1 for CH stretching.”
Prunus armeniaca Gum-Alginate Polymeric Microspheres to Enhance the Bioavailability of Tramadol Hydrochloride: Formulation and Evaluation DOI: 10.3390/pharmaceutics14050916 -
Alkyl C-H spolehlivost 1,0
“The hydroxyl group (OH) had an absorption peak at 3504.45 while 2860.79cm-1 cm-1 the band at was due to -CH stretching.”
Fabrication, In Vitro, and In Vivo Assessment of Eucalyptol-Loaded Nanoemulgel as a Novel Paradigm for Wound Healing DOI: 10.3390/pharmaceutics14091971 -
Ammonium spolehlivost 1,0
“The two main characteristic bands at 2928 and 2861 cm-1 were assigned cm-1 3+ to the -NH3+ stretching vibrations [31,32].”
Spectroscopic and Molecular Docking Studies of Cu(II), Ni(II), Co(II), and Mn(II) Complexes with Anticonvulsant Therapeutic Agent Gabapentin DOI: 10.3390/molecules27134311
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