Silanol (Si-OH) — FTIR absorption peaks and assignments
These are the characteristic FTIR wavenumbers where Silanol (Si-OH) tends to absorb, compiled from published literature and ranked by supporting evidence. Each assignment is traceable to a source (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 8 cited sources
Characteristic FTIR peaks for Silanol (Si-OH)
| ਵੇਵਨੰਬਰ (cm⁻¹) | ਸਹਾਇਕ ਤੱਥ | ਹਵਾਲਾ ਦਿੱਤੇ ਸਰੋਤ | ਉੱਚ ਵਿਸ਼ਵਾਸ |
|---|---|---|---|
| 960 | 6 | 5 | 0.9 |
| 3747 | 3 | 3 | 1.0 |
| 3500 | 3 | 3 | 0.9 |
| 3416 | 2 | 2 | 1.0 |
| 3445 | 2 | 2 | 1.0 |
| 3742 | 2 | 2 | 0.95 |
| 3740 | 2 | 2 | 0.9 |
| 970 | 2 | 2 | 0.9 |
| 3300 | 2 | 2 | 0.9 |
| 950 | 2 | 2 | 0.9 |
| 3730 | 1 | 1 | 1.0 |
| 3746 | 1 | 1 | 1.0 |
| 3390 | 1 | 1 | 1.0 |
| 3350 | 1 | 1 | 1.0 |
| 980 | 1 | 1 | 0.95 |
| 3450 | 1 | 1 | 0.95 |
| 1029 | 1 | 1 | 0.95 |
| 1645 | 1 | 1 | 0.9 |
| 3429 | 1 | 1 | 0.9 |
| 968 | 1 | 1 | 0.9 |
| 3626 | 1 | 1 | 0.9 |
| 949 | 1 | 1 | 0.9 |
| 3372 | 1 | 1 | 0.9 |
| 954 | 1 | 1 | 0.9 |
| 969 | 1 | 1 | 0.9 |
| 3748 | 1 | 1 | 0.9 |
| 3453 | 1 | 1 | 0.9 |
| 3732 | 1 | 1 | 0.9 |
| 3426 | 1 | 1 | 0.9 |
| 469 | 1 | 1 | 0.9 |
Showing the 30 best-supported peaks of 67 total for Silanol (Si-OH).
ਇਹਨਾਂ ਅਸਾਈਨਮੈਂਟਾਂ ਪਿੱਛੇ ਸਾਹਿਤ
-
3350 cm⁻¹ ਵਿਸ਼ਵਾਸ 1.0
“Text: '3350-3390cm-1 ... represent Si-OH bond'”
Osman 和 Sapawe - 2020 - High purity and amorphous silica (SiO2) prepared f DOI: 10.1016/j.matpr.2020.05.299 -
3747 cm⁻¹ ਵਿਸ਼ਵਾਸ 1.0
“Peak area of isolated silanol groups at 3747 cm-1 decreased.”
Ryu 等 - 2013 - Modification of Silica Nanoparticles with Bis[3-(t DOI: 10.7317/pk.2013.37.3.308 -
3746 cm⁻¹ ਵਿਸ਼ਵਾਸ 1.0
“Explicit assignment: Si-OH freely vibrating”
Babic 等 - 2021 - Comparative Study of Zeolite L Etching with Ammoni DOI: 10.1002/admi.202000348 -
3445 cm⁻¹ ਵਿਸ਼ਵਾਸ 1.0
“Text: 'silanol groups and also adsorbed water appeared at 3445 cm-1'”
Babu 等 - 2017 - Removal of Lead from Water Using Calcium Alginate DOI: 10.1155/2017/4650594 -
3416 cm⁻¹ ਵਿਸ਼ਵਾਸ 1.0
“Explicit assignment: band at 3416 per cm related to silanol group.”
Khosravi-Nikou 等 - 2021 - Desulfurization of liquid fuels using aluminum mod DOI: 10.1038/s41598-021-88439-6 -
1029 cm⁻¹ ਵਿਸ਼ਵਾਸ 0.95
“Explicit assignment: 'attributed to the stretching vibrations of Si-O-Si bond, Si-OH'”
Cebotari 等 - 2018 - Caracterisation of high manganese silicides prepar DOI: 10.21741/9781945291999-9 -
3450 cm⁻¹ ਵਿਸ਼ਵਾਸ 0.95
“Explicit assignment in text.”
Hassanin 等 - 2022 - Sustainable Remedy Waste to Generate SiO2 Function DOI: 10.3390/su14052699 -
980 cm⁻¹ ਵਿਸ਼ਵਾਸ 0.95
“Explicit assignment: 'peak at 980 cm-1 is attributed to the Si-O-H vibration'.”
Meeks 等 - 2010 - Sulfur-Functionalization of Porous Silica Particle DOI: 10.1021/ie901580k.
See Silanol (Si-OH) in your own spectrum
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