What absorbs at 2077 cm⁻¹ in an FTIR spectrum?
A band near 2077 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 4 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 |
|---|---|---|---|
| N h | 2 | 2 | 1.0 |
| Secondary amine | 1 | 1 | 1.0 |
| C n single bond | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
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
-
信心 1.0
“3 cm-1, cm-1, C-O N-H stretching at 2077 stretching at 2932 and those of two hydroxylmethylenes of glycerol (f) are cm-1, cm-1, δ H-bending at 1424 NH bending bending at 1730 overlapping;”
Banjare 等 - 2020 - Micellization Behavior of Conventional Cationic Su DOI: 10.1021/acsomega.0c00866 -
信心 1.0
“2403, 2367 N-H vibration 2077, 2005, 1948, 1841 Combination of Si-O modes 1667, 1595 1650, 1620, 1590”
Lacalamita - 2018 - Micro-FTIR and EPMA Characterisation of Charoite f DOI: 10.1155/2018/9293637 -
Amide 信心 1.0
“te m cm-1 and a peak in 2077 is C-N absorption band, this is caused by the presence of HCN in starch [14].”
Muharam 等 - 2017 - Characterization of Superabsorbent Hydrogel Based DOI: 10.1063/1.4991187 -
信心 0.9
“Text: 'CO adsorbed on the B catalyst presents an asymmetric CO linear band at 2077 cm-1'”
Piqueras 等 - 2008 - Pd-gamma Al2O3 applied to triglycerides hydrogenat DOI: 10.1016/j.apcata.2008.05.029
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