What absorbs at 1477 cm⁻¹ in an FTIR spectrum?
A band near 1477 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 7 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 | 4 | 3 | 1.0 |
| Alkene (C=C) | 1 | 1 | 1.0 |
| Lipid | 1 | 1 | 1.0 |
| Aromatic ring | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Nitrile | 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
-
Nitrile 置信度 1.0
“A-¥ C-O changes arise in the stretching band of Q upon cm-1 in cyanide and high pH treatment: the band at 1479 the control sample undergoes downshifts to 1475 and 1477 cm-1 in the cyanide-treated and high pH-treated samples, respectively.”
Noguchi 等 - 1999 - Comparative FTIR analysis of the microenvironment DOI: 10.1021/bi981759e -
Hydroxyl (O-H) 置信度 1.0
“blank-polymer particle, specific peaks of cromolyn appeared In the range of 3737cm-1, 1604cm-1 C�O, at 3732 to a weak band for the monomeric O-H due to and a band at approximately 1636cm-1, 1477cm-1 stretch band was also observed.”
Alkurdi 等 - 2022 - Development and Evaluation of a Novel Polymer Drug DOI: 10.1155/2022/7903310 -
Alkyl C-H 置信度 1.0
“The third one at 1477 cm-1 was associated with CH-cross deformations in CH 2-groups and the fourth band at 742 cm-1 was assigned to H-C-C-H-bound modes in the CH groups.”
Fernández 等 - 2017 - DOI: 10.17230/ingciencia.13.25.6 -
Alkyl C-H 置信度 1.0
“The band derived from the -C-H group at a wavenumber of 1356 of 1477 cm-1”
Preparation and Characterization of Indomethacin Supramolecular Systems with -Cyclodextrin in Order to Estimate Photostability Improvement DOI: 10.3390/molecules26247436 -
Aromatic ring 置信度 1.0
“The weak band observed around 1477 is related also to the aromatic rings cm-1 stretching vibration that is absent in MAT [18].”
Lugo 等 - 2020 - Implementation of Modified Acacia Tannin by Mannic DOI: 10.3390/w12020352 -
Lipid 置信度 1.0
“The presence of the peaks at 1477 and cm-1 1467 in the decontaminated cells (assigned as the specific peaks for the orthorhombic lipid phase)”
FTIR Microspectroscopy for the Assessment of Mycoplasmas in HepG2 Cell Culture DOI: 10.3390/app10113766 -
Alkene (C=C) 置信度 1.0
“The small peak at 1559 and a peak at 1477 are attributed to C=C and hydroxyapatite bands.”
Conductive Polyaniline Patterns on Electrospun Polycaprolactone/Hydroxyapatite Scaffolds for Bone Tissue Engineering DOI: 10.3390/ma14174837
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