What absorbs at 621 cm⁻¹ in an FTIR spectrum?
Ивица близо до 621 cm⁻¹ може да сочи към няколко функционални групи. По-долу са най-вероятните присвоявания, подредени по количеството публикувани доказателства, които ги подкрепят — всяко едно проследимо до литература (DOI) и кръстосано валидирано спрямо нашите 130 000+ референтни спектъра и графика на знанията.
Backed by 6 cited sources
Възможни определяния на функционални групи
| Функционална група | Подкрепящи факти | Цитирани източници | Най-висока достоверност |
|---|---|---|---|
| Metal oxygen | 2 | 2 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
| Water (H2O) | 1 | 1 | 1,0 |
| Carbonyl (C=O) | 1 | 1 | 1,0 |
Класирането отразява натрупаните литературни доказателства, а не единично авторитетно правило. Винаги потвърждавайте спрямо контекста на вашата проба.
Литература зад тези определяния
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Metal oxygen достоверност 1,0
“The spectra exhibit two 3 Pre-pro cm-1 main vibrational absorption peaks at around 621 and 393 characterizing the stretching and cm-1 bending vibrational modes of the Ti-O bond, respectively.”
Hemeda 等 - 2021 - Synthesis of nanometer-sized PbZrxTi1-xO3 for gamm DOI: 10.1016/j.jpcs.2020.109688 -
достоверност 1,0
“cm-1) The molar volume is of high interest, because it is two characteristic bands (621 and 726 and they are directly related to the spatial distribution of the oxygen in attributed to the stretching vibration between tellurium and the glas”
Rada 等 - 2009 - Structural and electronic properties of tellurite DOI: 10.1007/s10853-009-3433-8 -
Carbonyl (C=O) достоверност 1,0
“carbonyl groups of SA and hydrogen groups located outside of It was noted cm-1 that the distinctive band corresponding to SA at 620.84, 1107.99, and 1657.41 is dramatically diminished and relocated for BIC system.”
Hydroxypropyl–Cyclodextrin for Delivery of Sinapic Acid via Inclusion Complex Prepared by Solvent Evaporation Method DOI: 10.3390/pr10102046 -
Water (H2O) достоверност 1,0
“Previous studies (Vichi, Eliazyan, and 1,621cm-1 of the different water molecules bands at 1,684 and Kazarian2018)carriedoutonhistoricalleatherbookcoversdated typicallyfoundinhydratedCasulfatesaremaskedbythecollagen between the 16th and the”
Cortea 等 - 2020 - Application of Spectroscopic and Hyperspectral Ima DOI: 10.3389/fmats.2020.601339 -
Ring structure достоверност 1,0
“The cm-1 cm-1 Uroctea durandi band at 640 for (7) is due to tyrosine ring mode, and the band at 621 is due”
Ide 等 - 2011 - Structural characterization of a variety of spider DOI: 10.3233/SPE-2011-0495 -
Metal oxygen достоверност 1,0
“appearedbetween800and900cm-1.33Whenceriumwasdoped The synthesized catalyst was characterized by spectral Ce-O in STANPs, a characteristic band of appeared at 621 techniques, including Fourier transform infrared (FTIR), cm-1 34 along with ot”
Khan 和 Siddiqui - 2018 - Ce@STANPsZrO2 as Nanocatalyst for Multicomponent DOI: 10.1021/acsomega.8b01043
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