What absorbs at 1405 cm⁻¹ in an FTIR spectrum?
A band near 1405 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 7 cited sources
Mulige funktionelle gruppetildelinger
| Funktionel gruppe | Understøttende fakta | Citerede kilder | Højeste tillid |
|---|---|---|---|
| Carboxyl (COOH) | 3 | 3 | 0,9 |
| Carbonate | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 0,9 |
| Fluorine (C-F) | 1 | 1 | 0,9 |
Rangering afspejler akkumulerede litteraturbeviser, ikke en enkelt autoritativ regel. Bekræft altid mod din prøvekontekst.
Litteratur bag disse tildelinger
-
Carbonate tillid 1,0
“Carbonate peak area used for C:P ratio.”
Abdelmoneim 等 - 2022 - The Effect of Low-Processing Temperature on the Ph DOI: 10.3390/ma15082798 -
Fluorine (C-F) tillid 0,9
“Text: 'peak shown at 1405 is assigned to -C-F- stretching'”
Farooqui 等 - 2017 - Effect of polyaniline (PANI) on Poly(vinylidene fl DOI: 10.1016/j.polymertesting.2017.03.012 -
Amide tillid 0,9
“Peak at 1405 cm-1 corresponding to amide-II band”
Senthivelan 等 - 2019 - Screening and production of a potential extracellu DOI: 10.1016/j.btre.2019.e00344 -
Carboxyl (COOH) tillid 0,9
“Snippet: 'cm-1 at 1589 and 1405 are represented to the -COO- (asymmetric) and -COO- (symmetric)'”
Faried 等 - 2017 - Green Synthesis of Silver Nanoparticles in Biopoly DOI: 10.1063/1.4968377 -
Carboxyl (COOH) tillid 0,9
“Assigned to ν_s(COO-)”
Rudzka 等 - 2008 - A Trinuclear Nickel(II) Enediolate Complex Synthe DOI: 10.1021/ic800947z. -
tillid 0,9
“Assigned to O-H in plane bend of carboxylic acid.”
Sharma 等 - 2012 - Equimolar Carbon Dioxide Absorption by Ether Funct DOI: 10.5012/bkcs.2012.33.7.2325 -
Carboxyl (COOH) tillid 0,8
“symmetric carboxylate ion stretch”
Pal 等 - 2006 - Polyvinyl alcohol-glycine composite membranes pre DOI: 10.1088/1748-6041/1/2/001
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