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
Gán nhóm chức có thể
| Nhóm chức | Sự kiện hỗ trợ | Nguồn tham khảo | Độ tin cậy cao nhất |
|---|---|---|---|
| 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 |
Xếp hạng phản ánh bằng chứng tài liệu tích lũy, không phải một quy tắc duy nhất có thẩm quyền. Luôn xác nhận với ngữ cảnh mẫu của bạn.
Tài liệu tham khảo đằng sau các gán này
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Nitrile độ tin cậy 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) độ tin cậy 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 độ tin cậy 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 độ tin cậy 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 độ tin cậy 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 độ tin cậy 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) độ tin cậy 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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