What absorbs at 1484 cm⁻¹ in an FTIR spectrum?
A band near 1484 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 8 cited sources
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Ring structure | 2 | 2 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Methoxy (OCH3) | 1 | 1 | 1.0 |
| Methacrylate | 1 | 1 | 1.0 |
| C-O single bond | 1 | 1 | 1.0 |
| Acetate | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| Alkene (C=C) | 1 | 1 | 1.0 |
| Carbonate | 1 | 1 | 0.9 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
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Alkene (C=C) 信心 1.0
“Band 3 2 cm-1 at 1484 could be ascribed to the C=C bonds.”
Synthesis, Optical, Chemical and Thermal Characterizations of PMMA-PS/CeO2 Nanoparticles Thin Film DOI: 10.3390/polym13071158 -
Ring structure 信心 1.0
“[43] 1484 C8-H coupled with a ring vibration of guanine 1484 ν(C=C)-diagnostic for the presence of a carotenoid structure, [44]”
Ghassemi 等 - 2021 - Diagnosis of normal and malignant human gastric ti DOI: 10.1016/j.molstruc.2020.129493 -
Amide 信心 1.0
“a cm-1 The bands at 1,700-1,600 are mostly attributed to the 1484 a amide I vibrations (the CO stretches of backbone amides), 14811476 b”
Takano 等 - 2008 - Herbicide effect on the hydrogen-bonding interacti DOI: 10.1007/s11120-008-9302-5 -
Alkyl C-H 信心 1.0
“The changes in cm-1 cm-1 changes in the band between 1484 and 1410 could have been due to aliphatic the band between 1484 cm-1 and 1410 cm-1 could have been due to aliphatic C-H deforC-H deformation, C-O stretching, and the O-H deformation”
Autopsy of Used Reverse Osmosis Membranes from the Largest Seawater Desalination Plant in Oman DOI: 10.3390/membranes12070671 -
Ring structure 信心 1.0
“adenosine and guanosine internal ring vibration gives rise to a peak at 1484 and at 1337 cm-1”
FTIR Spectroscopy to Reveal Lipid and Protein Changes Induced on Sperm by Capacitation: Bases for an Improvement of Sample Selection in ART DOI: 10.3390/ijms21228659 -
信心 1.0
“Additionally, the peaks at 1484 and 1085 cm characteristic of the Raman spectrum of malachite, is consistent with the + CR M mixture up to 40% of M.”
Spectroscopic study of mixtures of green copper pigments in fresh and aged model samples. Case studies on masterpieces from the Spanish Golden Age DOI: 10.1016/j.culher.2022.12.004 -
信心 1.0
“medium peak at 769 a strong peak at 947 as well as a weak peak at 1484 The cm-1 cm-1 peaks at ~520 and a broad band at 550-280 as well as the infrared absorption at cm-1 1484 were due to the infrared absorption by the Ca-O bond.”
Zaid 等 - 2017 - Effect of Sintering on Crystallization and Structu DOI: 10.2298/SOS1704409Z -
信心 0.9
“Sharp PS-derived peak at 1484.”
Nanomechanical IR spectroscopy for fast analysis of liquid-dispersed engineered nanomaterials DOI: 10.1016/j.snb.2016.04.002
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