What absorbs at 3277 cm⁻¹ in an FTIR spectrum?
A band near 3277 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 5 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 | 1 | 1 | 1.0 |
| Hydrogen bond | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| C c single bond | 1 | 1 | 1.0 |
| Water (H2O) | 1 | 0 | 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
-
C c single bond 信心 1.0
“5B) shows Chen B-Y, Hsueh C-C, Chen W-M (2011) Exploring decolorization the disappearance of peaks at 3277, 2927, 2850, and and halotolerance characteristics by indigenous acclimatized cm-1 2359 as well as 1592, 1409, 1225, 1075, and bacter”
Biodegradation and decolorization of azo dyes by adherent Staphylococcus lentus strain DOI: 10.1007/s13765-016-0169-4 -
Hydroxyl (O-H) 信心 1.0
“LLM confirmed rule peak-group candidate”
Concepcion Rodriguez-Robledo 等 - 2018 - Cellulose-Silica Nanocomposites of High Reinforcin DOI: 10.3390/ma11040575 -
Alkyl C-H 信心 1.0
“The shoulder peak obtained at 2926 can be attributed to the asymmetric incorporation of olive oil resulted in a gradual decrease in the peak intensity at 3277 cm-1 cm-1, C-H stretching of aliphatic groups of the sucrose molecule [38].”
Dhal 等 - 2023 - Formulation and Characterization of Emulgel-Based DOI: 10.3390/gels9060466 -
Hydrogen bond 信心 1.0
“190 Fibers properties.5,46 triclinic I mechanical and thermal In addition, cellulose, whereas the band close to α cm-1 an intra-molecular hydrogen bond vibration for 3277 is proportional to the amount of”
Kempaiah 等 - 2020 - FTIR AND WAXS STUDIES ON SIX VEGETAL FIBERS DOI: 10.1016/j.carres.2005.08.007 -
Amide 信心 1.0
“(cm-1) Wavenumber Assigned Biochemical Component Vibrational Mode 3277 Amide A: peptide, protein N-H stretching 3053”
Metabolic Profile Characterization of Different Thyroid Nodules Using FTIR Spectroscopy: A Review DOI: 10.3390/metabo12010053
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