What absorbs at 3615 cm⁻¹ in an FTIR spectrum?
A band near 3615 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) | 10 | 8 | 1,0 |
| N h | 2 | 2 | 1,0 |
| Hydrogen bond | 2 | 1 | 1,0 |
| Silanol (Si-OH) | 1 | 1 | 1,0 |
| Secondary amine | 1 | 1 | 1,0 |
| Silicon-oxygen (Si-O) | 1 | 0 | 1,0 |
| Water (H2O) | 1 | 0 | 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
“3550-3560cm-1 tion bands at/in 3615, of two unleached parlygorskites (p0 and g0) are similar, and these are assigned 2(cid:2)OH Mg)(cid:2)OH, (Fe3+, to Al and respectively.”
Cai 等 - 2007 - A Fourier transform infrared spectroscopic study o DOI: 10.1016/j.saa.2006.02.053 -
Hydroxyl (O-H) độ tin cậy 1,0
“No extant Raman or FTIR FTIR spectra at high temperatures studies of clinohumite report OH-stretching frequencies above cm-1 3615 corresponding to hydrogen bond lengths greater than High-temperature FTIR spectra were collected at tem2.5 Å (”
In-situ high-temperature vibrational spectra for synthetic and natural clinohumite: Implications for dense hydrous magnesium silicates in subduction zones DOI: 10.2138/am-2019-6604 -
N h độ tin cậy 1,0
“3) two peaks at 3614.60 and cm-1 3182 appears due to opperlapping of NH group of acrylamide and hydroxyl 2 cm-1 group of GG.”
Mahto 和 Mishra - 2022 - The removal of textile industrial Dye-RB-19 using DOI: 10.1007/s00289-021-03663-4 -
Hydroxyl (O-H) độ tin cậy 1,0
“from 20 minutes' contact time to 120 minutes for both 4 3615cm-1 The band at was due to O-H stretching, and a granules is due to the fact that initially all adsorbent sites”
Annan 等 - 2021 - Synthesis and Characterization of Modified Kaolin- DOI: 10.1155/2021/6679422 -
Silanol (Si-OH) độ tin cậy 1,0
“Similarly, the vibration of the terminal silanol groups (Si-OH) in MMT nanoclays is observed at 3615 the vibration of the terminal silanol groups (Si-OH) in MMT nanoclays is observed at 3615 cm-1 in films of SP1.0MMT-s and SP1.5MMT-s, meanw”
Physical-Mechanical Behavior and Water-Barrier Properties of Biopolymers-Clay Nanocomposites DOI: 10.3390/molecules26216734 -
Hydroxyl (O-H) độ tin cậy 1,0
“Apparently, the new groups are formed as a result of at 3615 cm-1 of the sample in a vacuum led to a diminishing of the OH band intensity, while no other the decomposition of ammonium ions with the liberation of ammonia.”
Shelyapina 等 - 2023 - Active Sites in H-Mordenite Catalysts Probed by NM DOI: 10.3390/catal13020344 -
Hydroxyl (O-H) độ tin cậy 1,0
“For all spectra, there were large and broad bands found near 3615 cm-1 and cm-1, and 3419 which was ascribed to the stretching vibration of hydroxyl (O-H).”
Characteristics and Mechanisms of Asphalt–Filler Interactions from a Multi-Scale Perspective DOI: 10.3390/ma13122744 -
độ tin cậy 0,9
“Shoulder at ~3615 assigned to Al3+Al3+□-OH- arrangements.”
Tobelite and NH4+-rich muscovite single crystals from Ordovician Armorican sandstones (Brittany, France): Structure and crystal chemistry DOI: 10.2138/am.2012.4023
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