What absorbs at 3665 cm⁻¹ in an FTIR spectrum?
A band near 3665 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
Mahdolliset funktionaalisten ryhmien määritykset
| Funktionaalinen ryhmä | Tukevat tosiasiat | Viitatut lähteet | Korkein luottamus |
|---|---|---|---|
| Hydroxyl (O-H) | 7 | 6 | 1,0 |
| Phosphate (PO4) | 1 | 1 | 1,0 |
| Carbon dioxide | 1 | 1 | 1,0 |
| Silicon (Si) | 1 | 1 | 1,0 |
| Bromine | 1 | 1 | 1,0 |
| Metal hydroxyl | 1 | 1 | 1,0 |
Sijoitus kuvastaa kertyneitä kirjallisuustodisteita, ei yhtä auktoritatiivista sääntöä. Varmista aina suhteessa näytteesi asiayhteyteen.
Näiden määritysten taustalla oleva kirjallisuus
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Metal hydroxyl luottamus 1,0
“cm-1 Al-OH Ni-ZSM-5 Finally, the band at 3665 was shifted to 3470 It has been reported that reduction of with CO leads cm-1 cm-1), ) -195”
Penkova 等 - 2007 - Effect of the preparation method on the state of n DOI: 10.1021/jp071927p -
Bromine luottamus 1,0
“A band at 3610 cm-1 and a shoulder band at 3665 are assigned to the Brönsted OH”
IR study of iridium bonded to perturbed silanol groups of Pt-HZSM5 for n-pentane isomerization DOI: 10.1016/j.apcata.2011.12.039 -
Carbon dioxide luottamus 1,0
“8 showed the functional groups present on the date 2350.40, 2360.4, 2383.40 - Carbon dioxide stone-derived activated carbon, whereas bands appeared at 3665.45, (O--C--O) 2325.00 2349.47, 2817.79, 2124.28, 1905.70, 1444.61, 1123.54, and 529.”
Preparation and characterization of activated carbon from agricultural wastes and their ability to remove chlorpyrifos from water DOI: 10.1016/j.toxrep.2023.01.011 -
Hydroxyl (O-H) luottamus 1,0
“LLM confirmed rule peak-group candidate”
Isolation, Characterization, and Breast Cancer Cytotoxic Activity of Gyrophoric Acid from the Lichen Umbilicaria muhlenbergii DOI: 10.3390/pr10071361 -
Hydroxyl (O-H) luottamus 1,0
“cm-1 After subtraction of the water monomer spectrum, this band is located at 3664.8 and 8 assigned to the symmetric O-H stretching mode of H 2O perturbed by the CO”
Vibrational investigations of CO2-H2O, CO2-(H2O)2, and (CO2)2-H2O complexes isolated in solid neon DOI: 10.1063/1.4936913 -
Hydroxyl (O-H) luottamus 1,0
“cm-1, Additionally, the PZ5 zeolite shows a band at 3665 which corresponds to hydroxyl groups interacting with P (P-OH species) [32].”
Valecillos 等 - 2020 - Slowing down the deactivation of H-ZSM-5 zeolite c DOI: 10.1016/j.cattod.2019.07.059 -
Hydroxyl (O-H) luottamus 0,9
“Explicit assignment in text.”
Samra 和 Athar - 2009 - Novel Synthesis of Mannosamine Conjugated Magnetic DOI: 10.1007/s12257-008-0314-y -
Hydroxyl (O-H) luottamus 0,9
“Band at 3665 cm-1 due to stretching.”
Erigoni 等 - 2016 - Creating Accessible Active Sites in Hierarchical M DOI: 10.1038/ncomms9633.
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