FTIR峰解读
What absorbs at 1551 cm⁻¹ in an FTIR spectrum?
A band near 1551 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
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| Amide | 5 | 5 | 0.9 |
| C=n | 1 | 1 | 1.0 |
| Carbonyl (C=O) | 1 | 1 | 0.9 |
| C n single bond | 1 | 1 | 0.9 |
| Protein | 1 | 1 | 0.8 |
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
-
C=n 置信度 1.0
“C=N stretching.”
Cossolin 等 - 2019 - DOI: 10.4136/1980-993X -
Amide 置信度 0.9
“Text: 'amide II band at 1551 cm-1'.”
Bonnier 等 - 2014 - Improved protocols for vibrational spectroscopic a DOI: 10.1002/jbio.201300130 -
Amide 置信度 0.9
“Same range as above.”
Cai 等 - 2019 - Characterization of gelatinchitosan ploymer films DOI: 10.1038/s41598-019-44807-x -
Amide 置信度 0.9
“Text: 'another one at 1551 attributed to the amide II band'”
Drobota 等 - 2019 - INVESTIGATION OF PROPERTIES OF NANOFIBERS FROM COL DOI: 10.1021/bm050086u -
Amide 置信度 0.9
“Text: 'amide II absorptions were found at ... 1551'.”
Huang - 2021 - Characteristics and Preparation of Designed Algina DOI: 10.3390/polym13203464 -
Amide 置信度 0.9
“main amide II peak”
Li 等 - 2002 - Purification and structural characterization of th DOI: 10.1074/jbc.M202721200 -
Carbonyl (C=O) 置信度 0.9
“Explicit assignment: 'absorption caused by the bonding C=O'.”
Maulida 等 - 2018 - Utilization of mango seed starch in manufacture of DOI: 10.1088/1748-0221/5/10/P10010/pdf -
置信度 0.9
“Explicit assignment in text”
Xu 等 - 2013 - The effect of surface functional groups of nanosil DOI: 10.2478/pjct-2013-0039
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