What absorbs at 3375 cm⁻¹ in an FTIR spectrum?
A band near 3375 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) | 5 | 5 | 1.0 |
| Secondary amine | 1 | 1 | 1.0 |
| Hydrogen bond | 1 | 1 | 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
-
Hydrogen bond 信心 1.0
“LLM confirmed rule peak-group candidate”
Xiao 等 - 2020 - Preparation and characterization of broken-rice st DOI: 10.1016/j.ijbiomac.2020.05.182 -
Hydroxyl (O-H) 信心 1.0
“The absorption band at 3415 which was 3375cm-1 doled out to -OH group stretching vibration, moderately moved to with adding 1% wt of TiO 2.”
Gad 等 - 2021 - Synergistic Effect of Titanium Dioxide (TiO2) and DOI: 10.21203/rs.3.rs-161064/v2 -
Hydroxyl (O-H) 信心 1.0
“The IR (KBr disk) spectrum showed broad vibration 3375cm-1 proton at δ 5.73 (H-6) showed HMBC correlations with at attributed to hydroxyl moiety (OH), sharp H absorptionat1600cm-1attributedtoaromaticbenzenering, C-5, 7, and 8 at δ 156.8, 15”
Guyasa 等 - 2018 - Antibacterial Activity of Two Flavans from the Ste DOI: 10.1155/2018/5870161 -
Secondary amine 信心 1.0
“The begins to ongoing 3375cm-1 500° at condensation reaction at about is the absorption peak of secondary amine.”
Han 等 - 2018 - Synthesis and Performance of Functionalized alpha- DOI: 10.1155/2018/5873871 -
Hydroxyl (O-H) 信心 1.0
“[34], peaks at 3375 1647 1414 and 1080 are related to O-H”
Synthesis and Characterization of Exopolysaccharide Encapsulated PCL/Gelatin Skin Substitute for Full-Thickness Wound Regeneration DOI: 10.3390/polym13060854 -
Hydroxyl (O-H) 信心 1.0
“The band at 3375 corresponds to the O-H stretching cm-1 vibration of the hydroxyl groups.”
Deposition of TiO2 Thin Films on Wood Substrate by an Air Atmospheric Pressure Plasma Jet DOI: 10.3390/coatings9070441 -
Hydroxyl (O-H) 信心 1.0
“LLM confirmed rule peak-group candidate”
Johnsirani 等 - 2013 - DOI: 10.4152/pea.201302095
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