What absorbs at 3335 cm⁻¹ in an FTIR spectrum?
A band near 3335 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) | 4 | 4 | 0.9 |
| N h | 3 | 3 | 0.9 |
| Alkyl C-H | 1 | 1 | 0.8 |
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 0.9
“N-H stretching of aldehyde group at 3334.92 cm-1.”
Gajendiran 等 - 2016 - Microbial degradation of low-density polyethylene DOI: 10.1007/s13205-016-0394-x -
信心 0.9
“PU spectrum showed typical band at 3335 arising from ν mode.”
Gangoiti 和 Peruzzo - 2020 - Cellulose nanocrystal reinforced acylglycerol-base DOI: 10.3144/expresspolymlett.2020.52 -
Hydroxyl (O-H) 信心 0.9
“assigned to OH stretching mode”
Kowalski 等 - 2019 - Synthesis and Effect of Structure on Swelling Prop DOI: 10.3390/polym11010114 -
Hydroxyl (O-H) 信心 0.9
“Explicit assignment: 'O-H stretching at 3335cm-1'.”
Mohd 等 - 2016 - Effect of Aminosilane Modification on Nanocrystall DOI: 10.1155/2016/4804271 -
信心 0.9
“Broad band with peak at 3335 cm-1 related to vibrations of OH bonds.”
Schauperl 等 - 2023 - Effects of Different Surface Treatments of Woven G DOI: 10.3390/ijms24020909 -
N h 信心 0.8
“Range 3270-3335 cm-1 indicating overlap of N-H and O-H related peaks”
Khruengsai 等 - 2022 - Biodegradation of Polyester Polyurethane by Embarr DOI: 10.3389/fmicb.2022.874842 -
Hydroxyl (O-H) 信心 0.8
“Common cellulose IR peak”
Azrak 等 - 2021 - Controlled Dispersion and Setting of Cellulose Nan DOI: 10.21203/rs.3.rs-376512/v1 -
Alkyl C-H 信心 0.8
“Explicit assignment for HP-β-CD: 'HP-β-CD C-H showed characteristic peaks at 3335'”
Yang 等 - 2022 - Spray-Drying of Hydroxypropyl beta-Cyclodextrin Mi DOI: 10.3390/cryst12050596
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