What absorbs at 3411 cm⁻¹ in an FTIR spectrum?
A band near 3411 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 7 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) | 4 | 4 | 0.9 |
| N h | 3 | 2 | 0.95 |
| Water (H2O) | 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 0.95
“Explicit assignment: symmetric stretching vibration of N-H”
Keshavarz 等 - 2021 - Tetramethylguanidine-functionalized melamine as a DOI: 10.1038/s41598-021-91463-1 -
Hydroxyl (O-H) 信心 0.9
“Band peak at 3411 cm-1 indicated O-H stretching vibration hydroxyl.”
Alfattani 等 - 2022 - Bio-Char Characterization Produced from Walnut She DOI: 10.3390/en15010001 -
Hydroxyl (O-H) 信心 0.9
“Explicit assignment: 'a band at 3411 due to O-H stretching'.”
Dick 等 - 2017 - Impact of HNO3 Solution Treatment of South Brazil DOI: 10.21577/0103-5053.20160230 -
信心 0.9
“Explicit assignment in text”
Sharma 等 - 2020 - Structural and physicochemical properties of Rheum DOI: 10.1049/iet-nbt.2019.0348 -
Water (H2O) 信心 0.9
“Text: 'band around 3411 ... molecules of adsorbed water'”
Worku 等 - 2021 - Engineering Co3O4MnO2 nanocomposite materials for DOI: 10.1016/j.heliyon.2021.e08076 -
Hydroxyl (O-H) 信心 0.8
“Text: 'strong absorption band at 3411 ... O-H N-H'”
Singh 等 - 2017 - Sustainable fragrance cum antimicrobial finishing DOI: 10.1016/j.scp.2017.01.003 -
Hydroxyl (O-H) 信心 0.7
“May be related to O-H stretching vibration.”
Hamidi 等 - 2022 - Acid red 18 removal from aqueous solution by nanoc DOI: 10.1038/s41598-022-08769-x
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