What absorbs at 3549 cm⁻¹ in an FTIR spectrum?
A band near 3549 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 |
|---|---|---|---|
| Hydroxyl (O-H) | 3 | 3 | 1.0 |
| Water (H2O) | 2 | 2 | 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
-
Hydroxyl (O-H) 信心 1.0
“3549cm-1 I trum shows an additional OH stretch at as well as cleation also occurs on polycrystalline hexagonal ice h.”
Chiesa 和 Rossi - 2013 - The metastable HCl center dot 6H(2)O phase - IR sp DOI: 10.5194/acp-13-11905-2013 -
Water (H2O) 信心 1.0
“hydrogen-bonded water For instance, the peaks (cid:3)3550 (cid:3)3549 cm-1 at and were assigned to water mono4mers weakly hydrogen-bonded with ClO in supersaturated Surface water and its effects on the solid-to-solid”
Lu 等 - 2008 - Molecular events in deliquescence and efflorescenc DOI: 10.1063/1.2973623(cid:5) -
Hydroxyl (O-H) 信心 1.0
“LLM confirmed rule peak-group candidate”
Maeda 等 - 1999 - Chromophore-protein-water interactions in the L in DOI: 10.1021/bi9907072 -
Hydroxyl (O-H) 信心 1.0
“LLM confirmed rule peak-group candidate”
Mineral and chemical changes of sediments after Cu sorption and then desorption induced by synthetic root exudate DOI: 10.1016/j.chemosphere.2019.124393
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