What absorbs at 1468 cm⁻¹ in an FTIR spectrum?
A band near 1468 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
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| Alkyl C-H | 17 | 15 | 1.0 |
| Methacrylate | 5 | 5 | 1.0 |
| Acetate | 5 | 5 | 1.0 |
| Secondary amine | 4 | 4 | 1.0 |
| Amide | 4 | 4 | 1.0 |
| Methoxy (OCH3) | 4 | 4 | 1.0 |
| Carboxyl (COOH) | 4 | 4 | 1.0 |
| C n single bond | 3 | 3 | 1.0 |
| Lipid | 3 | 3 | 1.0 |
| Methyl | 3 | 2 | 1.0 |
| C-O single bond | 2 | 2 | 1.0 |
| C c single bond | 2 | 2 | 1.0 |
| N h | 2 | 2 | 1.0 |
| Hydrogen bond | 1 | 1 | 1.0 |
| Ketone | 1 | 1 | 1.0 |
| Ester | 1 | 1 | 1.0 |
| Carbonyl (C=O) | 1 | 1 | 1.0 |
| Amine primary | 1 | 1 | 1.0 |
| Carbonate | 1 | 1 | 1.0 |
| Phosphorus | 1 | 1 | 1.0 |
排名反映了累积的文献证据，而非单一的权威规则。请始终对照您的样品背景进行确认。
这些分配背后的文献
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C c single bond 置信度 1.0
“In the DCNP, the bands observed in IR at 1468, 1340, 1304, and in IR and 1348, 1569cm(cid:2)1 cm(cid:2)1 1635 and 1309 and 1183 has been assigned to C-C stretching and in in Raman for DCNP and the band observed 1266cm(cid:2)1”
Arivazhagan 和 Rexalin - 2013 - Vibrational spectra, UV-vis spectral analysis and DOI: 10.1016/j.saa.2013.01.029 -
Alkyl C-H 置信度 1.0
“The 1468 peak was correlated to CH bending vibrations of lipids.”
The Effect of High-Intensity Ultrasound and Natural Oils on the Extraction and Antioxidant Activity of Lycopene from Tomato (Solanum lycopersicum) Waste DOI: 10.3390/antiox11071404 -
Amide 置信度 1.0
“ν δ(CH cm-1 s(CH 3) symmetric stretching, at 1467.72 for 2) ν(C-N)stretching at971.84cm-1for Mechanism for selective determination scissoringvibration,and CTA+”
Citrate-capped gold nanoparticles as a sensing probe for determination of cetyltrimethylammonium surfactant using FTIR spectroscopy and colorimetry DOI: 10.1007/s00216-019-02067-8 -
Alkyl C-H 置信度 1.0
“As can be deduced, the absorption bands cm-1, cm-1 at 2919.3 and 2850 are caused by stretching vibration of aliphatic C-H cm-1, cm-1 cm-1 while the peaks at 1468 1445 and 1437 are identified as bending”
Liang 等 - 2017 - Thermo-stability and aging performance of modified DOI: 10.1016/j.matdes.2017.04.060 -
Alkyl C-H 置信度 1.0
“(+) -CH3 2819 2816 stretching of H-C-H 1468 unclear 1465 unclear 1463 1461 1473 bending (-) (-) H-C-H 1388 1393 1388 1394 1380 1380 1381 bending”
Maeda - 2001 - IR spectroscopic study on the hydration and the ph DOI: 10.1021/la001346q -
Lipid 置信度 1.0
“The band at ∼1468 represents hexagonal packing of the lipids, whereas C”
Mansour 等 - 2017 - Elucidation of penetration enhancement mechanism o DOI: 10.1016/j.saa.2017.05.026 -
置信度 1.0
“However, a slight shift for the peak at 1468 which is assigned to P the Ba ions in YBa 2Cu 3O can be observed for Ag 2O added samples.”
Suan 等 - 2017 - Effects of Ag2O nanoparticles addition on electric DOI: 10.1016/j.cjph.2017.08.012 -
N h 置信度 1.0
“The presence of OLA group on CZTSe nanocrystals is indicated by NH bending modes at 909, 964 and 2 993cm-1, 1468cm-1, C-H bending mode at NH scissor mode at 2 1568cm-1 2955cm-1.”
Hot-injection synthesis and characterization of quaternary Cu2ZnSnSe4 nanocrystals DOI: 10.1016/j.matlet.2010.03.034
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