What absorbs at 1579 cm⁻¹ in an FTIR spectrum?
Ивица близо до 1579 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 8 cited sources
Възможни определяния на функционални групи
| Функционална група | Подкрепящи факти | Цитирани източници | Най-висока достоверност |
|---|---|---|---|
| Amide | 4 | 4 | 1,0 |
| Carboxyl (COOH) | 4 | 4 | 1,0 |
| C c single bond | 4 | 4 | 1,0 |
| Methacrylate | 3 | 3 | 1,0 |
| Acetate | 3 | 3 | 1,0 |
| N h | 3 | 2 | 1,0 |
| Aromatic ring | 3 | 2 | 1,0 |
| Amine primary | 2 | 2 | 1,0 |
| Hydroxyl (O-H) | 2 | 2 | 1,0 |
| Ring structure | 2 | 2 | 1,0 |
| C-O single bond | 2 | 2 | 1,0 |
| Ketone | 2 | 2 | 1,0 |
| Ester | 2 | 2 | 1,0 |
| Carbonyl (C=O) | 2 | 2 | 1,0 |
| Acetyl | 1 | 1 | 1,0 |
| Lignin | 1 | 1 | 1,0 |
| Ammonium | 1 | 1 | 1,0 |
| Methoxy (OCH3) | 1 | 1 | 1,0 |
| Nitrogen heterocycle | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| Alkene (C=C) | 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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Acetate достоверност 1,0
“A small peak appears at 1751 indicates C=O shows that after addition of Pd on the SnO 2-graphene stretching vibration 1579.”
Debataraja 等 - 2018 - Synthesis and Characterization of Nanocomposites o DOI: 10.22146/ijc.26660 -
достоверност 1,0
“cm-1 cm-1 1652 corresponds to vibration of carbonyl bond (amide I) while peak at 1579 corresponds to N-H bending of primary amine probably overlapped by N-H bending (amide II) cm-1 cm-1 of typical O=C-NHR groups and peak at 1359 and 1318 fo”
Jaiswal 和 Dhayal - 2020 - Preparation of 2D coatings of functionally graded DOI: 10.1016/j.matchemphys.2020.122663 -
C c single bond достоверност 1,0
“30,479 1490 -N vibration of C -C 1579 13,502 Strong stretching vibration C 1578 104,148 1 90,646”
A case study of poly (aryl ether sulfone) hemodialysis membrane interactions with human blood: Molecular dynamics simulation and experimental analyses DOI: 10.1016/j.cmpb.2020.105742 -
C c single bond достоверност 1,0
“The cm(cid:0) 1 = bonding enhanced the Raman intensities due to increased vibrations peak at 1579.1 in graphene-MoS2 could be ascribed to the C C [17].”
Synthesis of Graphene-MoS2 composite based anode from oxides and their electrochemical behavior DOI: 10.1016/j.cplett.2021.138969 -
Hydroxyl (O-H) достоверност 1,0
“cm-1 cm-1, cm-1, 3502.40 and 1561.34 1568.54 dopant concentration, the particle size was reduced cm-1 1578.93 attributes the stretching mode of superthat might be due to the hindrance of Ostwald's ripenfluous - OH groups and H-O-H bending m”
Evaluation of physical properties and bactericidal efficacy of chemically developed undoped and Mn ( DOI: 10.1080/10667857.2020.1837542 -
Aromatic ring достоверност 1,0
“2 b (2) C cm(cid:0) 1 0 Cis as follows: band at 1579 is due to the quinoid C stretching cm(cid:0) 1 vibration in the polymer chain, the intense band at 1460 is due to”
Efficient removal of Cr(VI) by polyaniline modified biochar from date (Phoenix dactylifera) seed DOI: 10.1016/j.gsd.2021.100653 -
Alkyl C-H достоверност 1,0
“cm-1, Other bands are perceived around 1579 and 1383 cm-1, which are characteristic of skeletal Other bands are perceived around 1579 and 1383 which are characteristic of skeletal vibration of the graphene and C-H vibration, respectively.”
Enhancing Free Cyanide Photocatalytic Oxidation by rGO/TiO2 P25 Composites DOI: 10.3390/ma15155284 -
C c single bond достоверност 1,0
“trum exhibited strong peaks at 1721 (C =O stretching), 1256 and 1122 (C-O stretch) and small bands at 1600 Discussion cm-1 and 1579 (C-C aromatic ring stretching), all indicating the presence of a phthalate plasticiser [37].”
Non-invasive identification of polymers in cultural heritage collections: evaluation, optimisation and application of portable FTIR (ATR and external reflectance) spectroscopy to three-dimensional polymer-based objects DOI: 10.1186/s40494-019-0336-0
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