What absorbs at 3695 cm⁻¹ in an FTIR spectrum?
A band near 3695 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
Gán nhóm chức có thể
| Nhóm chức | Sự kiện hỗ trợ | Nguồn tham khảo | Độ tin cậy cao nhất |
|---|---|---|---|
| Hydroxyl (O-H) | 8 | 8 | 1,0 |
| Hydrogen bond | 1 | 1 | 1,0 |
| Carbonyl (C=O) | 1 | 1 | 1,0 |
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Tài liệu tham khảo đằng sau các gán này
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Hydroxyl (O-H) độ tin cậy 1,0
“The spectra of [O-H] stretching of the inner-surface hydroxyl of S01, S02, S03, S04, cm-1, S05, and S06 show similar absorption bands at 3695.3, 3694.8, 3695.2, 3695.4, 3695.5 and 3695.9 cm-1 respectively.”
Unique Halloysite Nanotubes–Polyvinyl Alcohol– Polyvinylpyrrolidone Composite Complemented with Physico–Chemical Characterization DOI: 10.3390/polym9060207 -
Hydroxyl (O-H) độ tin cậy 1,0
“LLM confirmed rule peak-group candidate”
Weng 等 - 2020 - Black carbon enriches short-range-order ferrihydri DOI: 10.1016/j.scitotenv.2020.138195 -
Hydroxyl (O-H) độ tin cậy 1,0
“The intensely strong peak at 3695 corresponds to hydroxyl deformation modes.”
The Physico-Chemical and Mineralogical Characterization of Mg-Rich Synthetic Gypsum Produced in a Rare Earth Refining Plant DOI: 10.3390/su13094840 -
Hydroxyl (O-H) độ tin cậy 1,0
“LLM confirmed rule peak-group candidate”
Cankaya 等 - 2021 - Preparation of poly(MPAEMA)halloysite Nanocomposi DOI: 10.29356/jmcs.v65i2.1257 -
Hydroxyl (O-H) độ tin cậy 1,0
“LLM confirmed rule peak-group candidate”
Froehlich 等 - 2013 - Libyan Desert Glass New field and Fourier transfo DOI: 10.1111/maps.12223 -
Hydroxyl (O-H) độ tin cậy 1,0
“The bands at 3695 not degradated in the aqueous TiO suspension in the 2 assigned to the stretching of a hydroxyl group chemisorbed dark, but when they were irradiated with visible light in on the surfaces defect site, the bands in the range”
Janus 等 - 2008 - Dye decomposition on P25 with enhanced adsorptivit DOI: 10.2478/v10026-008-0021-7 -
Carbonyl (C=O) độ tin cậy 1,0
“Simultasamples)isincorrelationwiththeenhancementofthefreeO-H neous formation of new aldehydes and conversion of existing cm(cid:3)1 stretch at 3695 aldehydes to carboxyls will broaden the carbonyl band to both (see Fig.”
Hydroxylation and self-assembly of colloidal hydrogenated nanodiamonds by aqueous oxygen radicals from atmospheric pressure plasma jet DOI: 10.1039/c8ra07873d -
Hydrogen bond độ tin cậy 1,0
“9), suggesting that cm(cid:2)1 W-OH groups70 a band at 3695 due to isolated observed such awell-ordered inter-chain hydrogen-bonding network may under only in the spectra of the catalyst pH 6.3@12 h synthesized at explain the observed low f”
Li 等 - 2019 - How to control selectivity in alkane oxidation DOI: 10.1039/c8sc04641g
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