What absorbs at 648 cm⁻¹ in an FTIR spectrum?
A band near 648 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 5 cited sources
Možná přiřazení funkčních skupin
| Funkční skupina | Podpůrná fakta | Citované zdroje | Nejvyšší spolehlivost |
|---|---|---|---|
| Metal oxygen | 3 | 3 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| C c single bond | 1 | 1 | 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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Metal oxygen spolehlivost 1,0
“LLM confirmed rule peak-group candidate”
Diantoro 等 - 2018 - Control of Dielectric Constant and Anti-Bacterial DOI: 10.1088/1757-899X/367/1/012012 -
Metal oxygen spolehlivost 1,0
“LLM confirmed rule peak-group candidate”
Biocompatible fabrication of TiO2 nanoparticles: Antimicrobial, anticoagulant, antiplatelet, direct hemolytic and cytotoxicity properties DOI: 10.1016/j.inoche.2021.108505 -
Metal oxygen spolehlivost 1,0
“2357 Absorption of CO2 atmosphere Stretching mode of Cu-Fe-Sn-O 648 693 637 641”
Investigation of optical and structural properties of Fe, Cu co-doped SnO2 nanoparticles DOI: 10.1016/j.spmi.2015.03.036 -
C c single bond spolehlivost 1,0
“644.87 and 647.72 and these peaks are the results of C-C bending in CEPTE cm-1”
Raman spectroscopy of Bisphenol ‘S’ and its analogy with Bisphenol ‘A’ uncovered with a dimensionality reduction technique DOI: 10.1016/j.molstruc.2018.08.025 -
Alkyl C-H spolehlivost 1,0
“The ability of cellulolytic enzymes to absorbenciesintherangeof2,933and2,908 degrade cellulose can vary greatly with the physicoto aliphatic C-H stretching and asymmetric CH stretching, 2 cm-1,adramatically chemical characteristics of the s”
Kibedi-Szabo 等 - 2012 - Biodegradation Behavior of Composite Films with Po DOI: 10.1007/s10924-011-0391-4
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