What absorbs at 3416 cm⁻¹ in an FTIR spectrum?
A band near 3416 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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Hydroxyl (O-H) | 9 | 9 | 1.0 |
| Silanol (Si-OH) | 2 | 2 | 1.0 |
| N h | 1 | 1 | 0.9 |
| Thiol | 1 | 1 | 0.9 |
| Ester | 1 | 1 | 0.8 |
| C-O single bond | 1 | 1 | 0.8 |
| Carbohydrate | 1 | 1 | 0.7 |
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
“Peak corresponds to -OH.”
Imran 等 - 2018 - Synthesis of highly stable gamma-Fe2O3 ferrofluid DOI: 10.1039/c7ra13467c -
Silanol (Si-OH) 信心 1.0
“Explicit assignment: band at 3416 per cm related to silanol group.”
Khosravi-Nikou 等 - 2021 - Desulfurization of liquid fuels using aluminum mod DOI: 10.1038/s41598-021-88439-6 -
Hydroxyl (O-H) 信心 1.0
“Attributed to O-H stretching.”
Refat 等 - 2021 - QuercetinZinc complex and stem cells A new drug DOI: 10.1371/journal.pone.0246265 -
Hydroxyl (O-H) 信心 1.0
“Broadly stretched intense peak due to hydroxyl stretching.”
Wang 等 - 2018 - Structural elucidation of a polysaccharide from &I DOI: 10.1038/s41598-018-21375-0 -
Hydroxyl (O-H) 信心 0.95
“Explicit assignment: 'corresponded to the typical O-H group'”
Ibrahim 等 - 2023 - Role of ammonium phosphate in improving the physic DOI: 10.37190/ppmp/161510 -
Hydroxyl (O-H) 信心 0.95
“Explicit assignment: 'characteristic peaks at 3416 (OH)'”
Haider 等 - 2017 - Formation of chitosan nanoparticles to encapsulate DOI: 10.1016/j.foodhyd.2016.08.020. -
Thiol 信心 0.9
“Explicitly stated: 'adsorption band of the S-H and N-H groups ... at 3416 cm-1'”
Ibrahim 等 - 2022 - Effect of Ammonium Sulfide on Sulfidization Flotat DOI: 10.3390/min12101193 -
Hydroxyl (O-H) 信心 0.9
“Broad absorbance band at 3416 cm-1 assigned to O-H stretching vibration.”
Ahmad 等 - 2014 - Wetting, Solubility and Chemical Characteristics o DOI: 10.3390/coatings4030527
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