What absorbs at 3330 cm⁻¹ in an FTIR spectrum?
A band near 3330 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
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| Hydroxyl (O-H) | 8 | 8 | 1.0 |
| N h | 3 | 3 | 1.0 |
| Carbohydrate | 1 | 1 | 0.8 |
| Amine primary | 1 | 0 | 0.8 |
排名反映了累积的文献证据，而非单一的权威规则。请始终对照您的样品背景进行确认。
这些分配背后的文献
-
N h 置信度 1.0
“Explicit assignment: 'The vibrational band at 3330 corresponds to N-H stretching vibrations.'”
Kowalczuk 和 Pitucha - 2019 - Application of FTIR Method for the Assessment of I DOI: 10.3390/ma12182972 -
Hydroxyl (O-H) 置信度 1.0
“explicit assignment”
Pegado 等 - 2018 - First evidence of microplastic ingestion by fishes DOI: 10.1016/j.marpolbul.2018.06.035 -
Hydroxyl (O-H) 置信度 0.95
“Explicit assignment in text.”
Morowvat 等 - 2023 - Biosynthesis and Antimicrobial Evaluation of Zinc DOI: 10.3390/ma16020842 -
Hydroxyl (O-H) 置信度 0.9
“O-H stretching vibration”
Azzem 和 Bellel - 2022 - Thermal and Physico-Chemical Characteristics of Pl DOI: 10.3390/buildings12081119 -
置信度 0.9
“Explicit assignment in text: 'cm-1 approximately 3330 is due to the hydrogen bond O-H stretching.'”
Cai 等 - 2022 - Performance of Binderless Board Manufactured Using DOI: 10.15376/biores.17.4.6692-6705 -
Hydroxyl (O-H) 置信度 0.9
“Broad band centered at 3330 for BPA.”
Chiou 等 - 2014 - Strong Screening Effect of Polyhedral Oligomeric S DOI: 10.3390/polym6030926 -
Hydroxyl (O-H) 置信度 0.9
“Snippet: 'large band at 3330 cm-1 mainly due to the OH groupings'.”
Saaidia 等 - 2017 - Mechano-physical properties and statistical design DOI: 10.1016/j.measurement.2017.07.054 -
N h 置信度 0.9
“Text: 'N-H stretching band is located between 3300 and 3330'.”
Zapien-Castillo 等 - 2021 - Recovery of Fuels Using the Supramolecular Gelatio DOI: 10.1007/s11270-021-04991-x
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