What absorbs at 1327 cm⁻¹ in an FTIR spectrum?
Ивица близо до 1327 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 |
|---|---|---|---|
| Methoxy (OCH3) | 3 | 3 | 1,0 |
| Methacrylate | 3 | 3 | 1,0 |
| C-O single bond | 3 | 3 | 1,0 |
| Acetate | 3 | 3 | 1,0 |
| Aromatic ring | 2 | 2 | 1,0 |
| Ring structure | 2 | 2 | 1,0 |
| Alkyl C-H | 2 | 2 | 1,0 |
| Carbohydrate | 1 | 1 | 1,0 |
| N h | 1 | 1 | 1,0 |
| Lignin | 1 | 1 | 1,0 |
| C c single bond | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| N-O bond | 1 | 1 | 1,0 |
| Sulfate (SO4) | 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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Sulfate (SO4) достоверност 1,0
“An IR peak at 1327.03 is assigned as anti-inflammatory, (eCeO thyroid, anti-neoplastic, anti-thrombotic antistretch present in a sulfate group [41] and stretching) [42].”
Deepika 等 - 2017 - Photocatalytic degradation of synthetic food dye, DOI: 10.1016/j.jphotobiol.2017.10.015 -
Alkyl C-H достоверност 1,0
“structural components of wood because it corresponds to C-H bending of polysaccharides which joins the cm-1 cm-1 band at 1327 of S and G lignin condensed units (Faix 1991).”
Esteves 等 - 2013 - CHEMICAL CHANGES OF HEAT TREATED PINE AND EUCALYPT DOI: 10.4067/S0718-221X2013005000020 -
N-O bond достоверност 1,0
“The peak at 1533 is caused by N-O stretching of aromatic nitro cm-1 compounds, the peak at 1386 is caused by symmetric carboxylate stretching, and the peak at 1327 is caused by N-O asymmetric stretching and reveals the presence of a nitro c”
Nematicidal activity of seaweed-synthesized silver nanoparticles and extracts against Meloidogyne incognita on tomato plants DOI: 10.1038/s41598-022-06600-1 -
Acetate достоверност 1,0
“The peaks at 1327 and 1262 belong to stretching vibration of C O and C C respectively (Hebeish et al.,”
CMC stabilized nano silver synthesis, characterization and its antibacterial and synergistic effect with broad spectrum antibiotics DOI: 10.1016/j.carbpol.2016.11.083 -
Alkyl C-H достоверност 1,0
“TW2 0.08 49.75 6.18 41.66 2.32 xylan C-O vibration in syringyl derivatives and C-H cm-1 1327 vibration in cellulose Aromatic ring vibration combined with CH in”
Aytin 等 - 2022 - Chemical, Hygroscopic, and Mechanical Properties o DOI: 10.15376/biores.17.1.785-801 -
Acetate достоверност 1,0
“some of these may be assigned to O-H bending (1408 and 347 cm-1), cm-1), cm-1) 1327 C-O stretching (1243, 1128, 1063 and 1019 C=C bending (965 and 937 and 348 sp2”
Campen 等 - 2022 - Thermal degradation of n-hexadecane base oil and i DOI: 10.1007/s11249-019-1182-7. -
Acetate достоверност 1,0
“stretching (C-O-C) polysaccharides Symmetric stretching - 1327 - -”
El-Bana 等 - 2022 - MOLECULAR STRUCTURE AND OPTICAL ATTRIBUTES OF (Na- DOI: 10.4314/bcse.v36i3.19 -
Lignin достоверност 1,0
“The pronounced band with a maximum at 1327 cm-1 belongs to the skeletal vibrations of the syringyl ring with the CO stretching vibrations.”
An Efficient Method of Birch Ethanol Lignin Sulfation with a Sulfaic Acid-Urea Mixture DOI: 10.3390/molecules27196356
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