What absorbs at 1544 cm⁻¹ in an FTIR spectrum?
A band near 1544 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 |
|---|---|---|---|
| Amide | 6 | 4 | 0.9 |
| C n single bond | 3 | 3 | 0.9 |
| N h | 3 | 3 | 0.9 |
| Alkyl C-H | 1 | 1 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.9 |
| Carbonyl (C=O) | 1 | 1 | 0.9 |
| Nitrogen heterocycle | 1 | 0 | 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
-
Carbonyl (C=O) 信心 0.9
“Attributed to C=O bond”
Elbasuney 等 - 2021 - Bio-inspired metastable intermolecular nanothermit DOI: 10.1007/s10854-021-05582-6 -
Carboxyl (COOH) 信心 0.9
“Text: 'appearance of the peaks at ... 1544cm-1 ... from absorption bands ... carboxylic groups'.”
Mashingaidze 等 - 2013 - Exploration of the biomacromolecular interactions DOI: 10.1002/jbm.a.34664 -
Amide 信心 0.9
“Text: 'contribution of in-plane NH bending C-N stretching was in the range of 1544-1551'”
Cai 等 - 2019 - Characterization of gelatinchitosan ploymer films DOI: 10.1038/s41598-019-44807-x -
N h 信心 0.9
“Text: 'amide II, which originates from N-H deformation, shifts ∼1544 cm-1'”
Dyakonov 等 - 2012 - Design and characterization of a silk-fibroin-base DOI: 10.1155/2012/490514 -
信心 0.9
“Stretching vibration mode appeared at 1544 cm-1.”
Li 等 - 2008 - A Comparative Study of Co-PPy-MWCNTs as a Non-nobl DOI: 10.1149/1.2981872 -
N h 信心 0.9
“Explicit: '1543.59 ... (-NH-)'”
Li 等 - 2018 - Biosorption and bioaccumulation characteristics of DOI: 10.1039/c8ra06270f -
Amide 信心 0.9
“Explicit assignment in text”
Paik 等 - 2022 - Dentin Biomodification with Flavonoids and Calcium DOI: 10.3390/ma15041494 -
Alkyl C-H 信心 0.9
“Explicit assignment.”
Strauss 等 - 2014 - [M]-CAL-2 MeAPSO-34-like molecular sieves using a DOI: 10.1016/j.micromeso.2013.12.020
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