What absorbs at 3307 cm⁻¹ in an FTIR spectrum?
A band near 3307 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 6 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 | 4 | 4 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 0.9 |
| Amide | 1 | 1 | 0.9 |
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
-
N h 信心 1.0
“Explicitly assigned in text.”
Amin 等 - 2022 - Spectroscopic and Physicochemical Investigations o DOI: 10.3390/ma15207197 -
N h 信心 0.9
“Explicit assignment: 'characteristic bands: 3307 cm-1 (N-H stretching)'”
Bhullar 等 - 2021 - Advanced spectroscopy, microscopy, diffraction and DOI: 10.1039/d0py01348j -
Amide 信心 0.9
“Explicit assignment: absorption peaks at 3307 and 3077 were typical characteristic amide A and B bands”
Hu 等 - 2017 - Marine Collagen Peptides from the Skin of Nile Til DOI: 10.3390/md15040102 -
Hydroxyl (O-H) 信心 0.9
“Text: 'characteristic bands for COS at 3307 for O-H'.”
Humayun 等 - 2022 - 3D printed antimicrobial PLA constructs functional DOI: 10.1080/10667857.2020.1806188. -
N h 信心 0.9
“Text: '3307cm-1(N-H stretching)'”
Lee 和 Kim - 2014 - Synthesis and Characterization of Thermoplastic El DOI: 10.7317/pk.2014.38.5.596 -
N h 信心 0.8
“Explicit assignment: 'y(NH) 3307 which is attributed to band of TOC'”
Topacli 等 - 2006 - An infrared study on Langmuir-Blodgett films of 14 DOI: 10.1016/j.vibspec.2005.06.002
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