What absorbs at 1456 cm⁻¹ in an FTIR spectrum?
A band near 1456 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 |
|---|---|---|---|
| Alkyl C-H | 8 | 7 | 1.0 |
| Carbonate | 4 | 4 | 0.9 |
| Methyl | 3 | 3 | 1.0 |
| Lignin | 1 | 1 | 0.95 |
| Phospholipid | 1 | 1 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.9 |
| Aromatic ring | 1 | 1 | 0.9 |
| Protein | 1 | 1 | 0.7 |
| Phosphate (PO4) | 1 | 1 | 0.7 |
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
-
Alkyl C-H 信心 1.0
“Aliphatic CH bending vibration”
Zhao 等 - 2015 - Discrimination of Adulterated Sesame Oil Using Mid DOI: 10.1007/s12161-015-0125-7 -
信心 1.0
“Split from ν3 antisymmetric stretching”
Madupalli 等 - 2017 - Carbonate substitution in the mineral component of DOI: 10.1016/j.jssc.2017.07.025. -
Methyl 信心 1.0
“explicit assignment in text”
Nath 等 - 2021 - A novel double-side welding approach for friction DOI: 10.1007/s00170-021-06602-9 -
Lignin 信心 0.95
“Same sentence as 1600”
Solihat 等 - 2020 - Microwave assisted dilute organic acid pre-treatme DOI: 10.1088/1757-899X/935/1/012046 -
Alkyl C-H 信心 0.9
“Peak between 1456 and 1465 represents C-H in asphalt.”
Ding 和 Hesp - 2021 - Variable-temperature Fourier-transform infrared sp DOI: 10.1016/j.fuel.2021.120819 -
信心 0.9
“Text: 'Peaks at wave number 1604 and 1456 indicated the vibration of the primary NH and the stretching vibration of C=C derived from aromatic ring'”
Hidayat 等 - 2016 - Enzymatic Synthesis of Bio-Surfactant Fructose Ole DOI: 10.1016/j.aaspro.2016.02.150 -
信心 0.9
“Explicitly assigned to oyster phase in FTIR spectra.”
AlBadr 等 - 2020 - The effectiveness of oyster filler on the physical DOI: 10.1063/5.0031467 -
Carbonate 信心 0.9
“Band indicates carbonate substitution at phosphate vibrational sites.”
Balu 等 - 2020 - Facile biogenic fabrication of hydroxyapatite nano DOI: 10.3762/bjnano.11.21
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