What absorbs at 417 cm⁻¹ in an FTIR spectrum?
A band near 417 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 6 cited sources
Possíveis atribuições de grupos funcionais
| Grupo funcional | Fatos de suporte | Fontes citadas | Maior confiança |
|---|---|---|---|
| Silicon-oxygen (Si-O) | 2 | 2 | 1,0 |
| N h | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| Siloxane (Si-O-Si) | 1 | 1 | 1,0 |
| Silicon (Si) | 1 | 1 | 1,0 |
| Protein | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 0,9 |
| Metal oxygen | 1 | 0 | 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
-
Protein confiança 1,0
“The spectra are characterized by 417 distinct peaks at different wavenumbers, for which positions and assignments to particular D 418 protein secondary structure are also indicated in Fig.”
Hempseed meal protein isolates prepared by different isolation techniques. Part I. physicochemical properties DOI: 10.1016/j.foodhyd.2017.12.015 -
Silicon (Si) confiança 1,0
“Another confirmation of the pozzolan 416 cm-1, reaction for all proportions is the diminution in intensity of the band at 1035 417 associated with the vibrations of asymmetric stretching of Si - O - Si and Si - O - Al, 418 cm-1, and the app”
Moraes 等 - 2019 - Production of bamboo leaf ash by auto-combustion f DOI: 10.1016/j.conbuildmat.2019.03.007 -
Alkyl C-H confiança 1,0
“-C-H(-CH C-H(CH 3)], 2,921 [asymmetric stretching 2)], cm-1 cm-1 -C-H(-CH Change in colour value 2,852 [symmetric stretching 2)], 1,742 cm-1 -C=O], -C-H(CH [stretching 1,465 [Bending 2)], 1,417cm-1[Bending=C-H],1,377cm-1[symmetricalbending”
Srivastava 和 Semwal - 2015 - A study on monitoring of frying performance and ox DOI: 10.1007/s13197-013-1078-8 -
confiança 1,0
“N-H beneficial The peaks peak of on melamine at of CEMP became rougher, which was to 1,417cm-1 absorpwere characteristic at 1,627, 1,561 and generate noncombustible gas and stop the combustion”
Yu 等 - 2020 - Synthesis of a novel modified chitosan as an intum DOI: 10.1515/epoly-2020-0036 -
Carboxyl (COOH) confiança 0,9
“Same as above.”
Effect of magnesium incorporation in zinc oxide films for optical waveguide applications DOI: 10.1016/j.physb.2009.12.050 -
Silicon-oxygen (Si-O) confiança 0,9
“Assigned to SiO4 vibration.”
Characterization of a calcium phospho-silicated apatite with iron oxide inclusions DOI: 10.1016/j.jcrysgro.2010.12.054
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