What absorbs at 3476 cm⁻¹ in an FTIR spectrum?
A band near 3476 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 5 cited sources
Possíveis atribuições de grupos funcionais
| Grupo funcional | Fatos de suporte | Fontes citadas | Maior confiança |
|---|---|---|---|
| Hydroxyl (O-H) | 4 | 4 | 1,0 |
| Metal oxygen | 1 | 1 | 1,0 |
A classificação reflete a evidência acumulada da literatura, não uma única regra autoritária. Sempre confirme com o contexto da sua amostra.
Literatura por trás destas atribuições
-
Hydroxyl (O-H) confiança 1,0
“LLM confirmed rule peak-group candidate”
Del Vecchio 等 - 2019 - High-Temperature Evolution of Point Defect Equilib DOI: 10.3390/min9100574 -
Hydroxyl (O-H) confiança 1,0
“6 shows a broad band at 3476 d ð14Þ ¼ s2 assigned to the O-H stretching mode.”
Effect of polyethylene glycol and propyltrimethoxysilane on structural and optical properties of zinc oxide nanoparticles synthesized by sol–gel process DOI: 10.1007/s40094-018-0303-2 -
Hydroxyl (O-H) confiança 1,0
“LLM confirmed rule peak-group candidate”
Du 等 - 2020 - Synthesis, Property and Mechanism Analysis of a No DOI: 10.3390/min10020128 -
Hydroxyl (O-H) confiança 1,0
“3483.5 and 3478.5 Relative to the AAT monomer, the vibrational shifts observed for the bands vibration The two bands at 3479.0 and 3475.5 cm-1 decreased/vanished in favor of the cm-1 cm-1, +10.5 +5.5 νOH νOH found after annealing were -9 an”
Kosendiak 等 - 2019 - Complexes of Glycolic Acid with Nitrogen Isolated DOI: 10.3390/molecules24183245 -
Metal oxygen confiança 1,0
“of peak attributed to Al-O-Al is an indication of the conversion of Al(OH) 3 The results for sintered samples also display a gradual disappearance of absorption peak at 3476 cm-1 oC”
Sembiring 等 - 2014 - Synthesis and characterisation of gel-derived mull DOI: 10.1016/j.ceramint.2013.12.038
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