What absorbs at 3550 cm⁻¹ in an FTIR spectrum?
A band near 3550 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
Mulige funksjonelle gruppe-tilordninger
| Funksjonell gruppe | Støttende fakta | Siterte kilder | Toppkonfidens |
|---|---|---|---|
| Hydroxyl (O-H) | 8 | 8 | 0.9 |
| N h | 2 | 2 | 0.9 |
| Siloxane (Si-O-Si) | 1 | 1 | 0.8 |
| Silanol (Si-OH) | 1 | 1 | 0.8 |
Rangeringen gjenspeiler akkumulert litteraturbevis, ikke en enkelt autoritativ regel. Bekreft alltid mot prøvekonteksten din.
Litteratur bak disse tilordningene
-
Hydroxyl (O-H) konfidens 0.9
“Explicitly assigned as OH stretching vibration in text.”
Del Vecchio 等 - 2019 - High-Temperature Evolution of Point Defect Equilib DOI: 10.3390/min9100574 -
konfidens 0.9
“Peaks at 3620, 3550, 3460, and 3355 cm-1 are related to hydrogen diffusion.”
Ferriss 等 - 2016 - Site-specific hydrogen diffusion rates during clin DOI: 10.1007/s00410-016-1262-8) -
Hydroxyl (O-H) konfidens 0.9
“OH stretching region for hydroxyledgrewite”
Galuskin 等 - 2012 - Edgrewite Ca-9(SiO4)(4)F-2-hydroxyledgrewite Ca-9( DOI: 10.2138/am.2012.4161 -
Hydroxyl (O-H) konfidens 0.9
“Text: 'fundamental OH stretching vibration (v1) at 3550 cm-1'.”
Wysoczanski 和 Tani - 2006 - Spectroscopic FTIR imaging of water species in sil DOI: 10.1016/j.jvolgeores.2006.03.024 -
konfidens 0.9
“Gaussian component of OH-stretch band”
da Silva 等 - 2021 - Effects of different solutes on the physical chemi DOI: 10.1016/j.molliq.2021.116288 -
Hydroxyl (O-H) konfidens 0.9
“explicit assignment”
Garcia-Millan 等 - 2017 - Solid-state characterization of triamcinolone acet DOI: 10.1016/j.ijpharm.2017.03.082 -
konfidens 0.9
“Text: 'two strong bands around 3520 and 3550 cm-1 due to hydration'”
Machado 等 - 2013 - A conformational study of hydroxyflavones by vibra DOI: 10.1016/j.saa.2013.01.038 -
N h konfidens 0.9
“Text: 'scaled value at cm-1 3550 is assigned to the asymmetric stretching vibration NH'”
Sreedevi 等 - 2023 - GROWTH, CHARACTERIZATION AND CHEMICAL COMPUTATIONS DOI: 10.4314/bcse.v37i4.18
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