What absorbs at 1345 cm⁻¹ in an FTIR spectrum?
A band near 1345 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 7 cited sources
Galimi funkcinių grupių priskyrimai
| Funkcinė grupė | Pagrindžiantys faktai | Cituoti šaltiniai | Aukščiausias pasitikėjimas |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 1,0 |
| Chitosan | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| Metal oxygen | 1 | 1 | 1,0 |
Reitingavimas atspindi sukauptą literatūros įrodymų kiekį, o ne vieną autoritetingą taisyklę. Visada patvirtinkite pagal savo mėginio kontekstą.
Literatūra, kuria remiantis atlikti šie priskyrimai
-
Alkyl C-H pasitikėjimas 1,0
“B.Bozzinietal./JournalofPowerSources195 (2010) 4119-4123 4123 C Oasymmetricstretchinginacetate), wereobservedat1330(O 1340/1345cm-1 (OH and CH wagging combination of ethanol”
In situ spectroelectrochemical measurements during the electro-oxidation of ethanol on WC-supported Pt-black, based on sum-frequency generation spectroscopy DOI: 10.1016/j.jpowsour.2010.01.017 -
Metal oxygen pasitikėjimas 1,0
“From the TiO2 spectrum, several peaks at 467 cm-1, 1345 cm-1, 1629 cm-1, and 3396 cm-1 can be observed.”
Influence of Sputtering Temperature of TiO2 Deposited onto Reduced Graphene Oxide Nanosheet as Efficient Photoanodes in Dye-Sensitized Solar Cells DOI: 10.3390/molecules25204852 -
Alkyl C-H pasitikėjimas 1,0
“Peaks at 1459 and 1345 cm-1 are due to the stretching vibration of C-H in CH2 and”
Walnut Oil Oleogels as Milk Fat Replacing System for Commercially Available Chocolate Butter DOI: 10.3390/gels8100613 -
pasitikėjimas 1,0
“This is also consistent with the AldO cm-1 cm2 4.8 about 100 in the experiments of their Figure Taking identification of a peak at 1345 as being due to in cm3 into account the different reaction volumes (408 in ref 8 experiments in which al”
Roscoe 和 Abbatt - 2005 - Diffuse reflectance FTIR study of the interaction DOI: 10.1021/jp050766r -
Alkyl C-H pasitikėjimas 1,0
“The broad peaks between 1440 cm-1 and 1390 result from C-H deformation vibration of lipids and cellulose, those between 1375 and cm-1 1345 from the CH bending vibrations in aliphatic groups, while a shoulder or a convolution”
Morphological, Physicochemical and FTIR Spectroscopic Properties of Bee Pollen Loads from Different Botanical Origin DOI: 10.3390/molecules24213974 -
Hydroxyl (O-H) pasitikėjimas 1,0
“The diffraction patterns of FEN in solid dispersions (C-H stretch aliphatic), 1345 (in-plane O-H bend) and cm-1 were similar to those of the pure drug, suggesting a simple 1111 (C-O stretch), which were consistent in all”
Dissolution study and thermal analysis of fenofibrate–Pluronic F127 solid dispersions DOI: 10.1007/s10973-015-5013-2 -
Chitosan pasitikėjimas 1,0
“The presence of a band at 1344.95 N(cid:3)(cid:3)H indicates the characteristic bending vibrations of the groups present in chitosan.”
Immobilization of catalase onto chitosan and chitosan–bentonite complex: A comparative study DOI: 10.1016/j.btre.2018.e00258
Turite spektrą su šia juosta?
Įkelkite savo FTIR spektrą ir gaukite pilną interpretacijos ataskaitą — smailių priskyrimus su literatūros citatomis, bibliotekų atitikimus ir įvertintos pasitikėjimo įrodymų grandinę — per kelias sekundes.
Interpretuoti mano spektrą