What absorbs at 1333 cm⁻¹ in an FTIR spectrum?
A band near 1333 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 5 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 |
|---|---|---|---|
| N eq o | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Ring structure | 1 | 1 | 1.0 |
| Hydrogen bond | 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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Hydrogen bond 置信度 1.0
“Bending and deformation modes of carbon-hydrogen Lattice strain, particle of the order of 2 bonding also produce absorption peaks in the one-phonon size, impurity inclusion, etc., cause broadening and shifting cm(cid:50)1).10 ((cid:44)1333”
Haque 等 - 1998 - Comparison of infrared, Raman, photoluminescence, DOI: 10.1063/1.367201 -
Ring structure 置信度 1.0
“The two bands at 1333cm-1 first were both assigned to the ring stretch, the one coupled with OH and the 1483 and 1373cm-1 other one with in-plane bending mode (Edwards et al., 2003).”
Lorenz 等 - 2022 - Survival of Xanthoria parietina in simulated space DOI: 10.1017/S1473550422000076 -
Alkyl C-H 置信度 1.0
“In addition, the 800 cm-1 bands were allo1333 CH vibrations Monosaccharide galactose, glucos 2”
Maher 等 - 2021 - Optimization of Ultrasound-Assisted Extraction of DOI: 10.3390/antiox10101612 -
Hydroxyl (O-H) 置信度 1.0
“stretching and at 1333 and 1453 cm-1 from OH bending of a primary alcohol [27-30].”
Synthesis and Characterization of Inulin-Based Responsive Polyurethanes for Breast Cancer Applications DOI: 10.3390/polym12040865 -
N eq o 置信度 1.0
“The band observed at 1332.96 cm-1 circular in shape with smooth edges except some which (curve-1) represent N=O stretching of nitro were irregular in shape (Fig.”
Anthelmintic activity of silver-extract nanoparticles synthesized from the combination of silver nanoparticles and M. charantia fruit extract DOI: 10.1186/s12906-016-1219-5
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