What absorbs at 2980 cm⁻¹ in an FTIR spectrum?
A band near 2980 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
Möjliga identifieringar av funktionella grupper
| Funktionell grupp | Stödjande fakta | Citerade källor | Högsta förtroende |
|---|---|---|---|
| Alkyl C-H | 7 | 6 | 0,9 |
| Alkene (C=C) | 1 | 1 | 0,8 |
| Methyl | 1 | 1 | 0,7 |
Rankingen speglar ackumulerade litteraturbevis, inte en enda auktoritativ regel. Bekräfta alltid mot din provkontext.
Litteratur bakom dessa identifieringar
-
Alkyl C-H förtroende 0,9
“Vibration band for C-H stretching of methylene groups around 2980 cm-1.”
Massaro 等 - 2021 - Synthesis and Characterization of Nanomaterial Bas DOI: 10.3390/nano11020506 -
Alkyl C-H förtroende 0,9
“Explicit assignment: 'two CH asymmetric' at ~2980 cm-1.”
Michalak 等 - 2008 - Investigation of the chemical purity of silicon su DOI: 10.1021/jp8030539 -
förtroende 0,9
“Explicit assignment”
Mighani 和 Kia - 2015 - Synthesis and characterization of new soluble poly DOI: 10.1590/0104-1428.1912 -
Alkyl C-H förtroende 0,9
“Explicit assignment: '(CH) 2980cm-1'”
Williams 等 - 2011 - Time Effects on Morphology and Bonding Ability in DOI: 10.1155/2011/192865 -
Alkyl C-H förtroende 0,9
“C-H aliphatic stretch at 2980 cm-1”
Zrubcova 等 - 2020 - PREPARATION OF AL(2)O(3) NANOFIBRES AND THEIR SURF DOI: 10.37904/nanocon.2019.8773 -
Alkene (C=C) förtroende 0,8
“vinyl signal”
Razgon 等 - 2008 - Ozonolysis-based route to the in situ formation of DOI: 10.1021/la703120c -
Alkyl C-H förtroende 0,8
“Assigned to vibrations of CH bonds.”
Campana 等 - 2022 - A Multidisciplinary Approach in Examining the Susc DOI: 10.3390/ijms231911725 -
Alkyl C-H förtroende 0,8
“ν(C-H) stretching.”
Georgiou 等 - 2020 - A Hybrid {Silk@Zirconium MOF} Material as Highly E DOI: 10.1038/s41598-020-66091-w
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