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
Aseiniadau grŵp swyddogaethol posibl
| Grŵp swyddogaethol | Ffeithiau ategol | Ffynonellau a ddyfynnwyd | Hyder uchaf |
|---|---|---|---|
| Carboxyl (COOH) | 3 | 3 | 0.9 |
| Carbonate | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 0.9 |
| Fluorine (C-F) | 1 | 1 | 0.9 |
Mae＇r safle＇n adlewyrchu tystiolaeth llenyddiaeth gronnwyd, nid rheol awdurdodol sengl. Cadarnhewch bob amser yn erbyn eich cyd-destun sampl.
Llenyddiaeth y tu ôl i＇r aseiniadau hyn
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Carbonate hyder 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) hyder 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 hyder 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) hyder 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) hyder 0.9
“Assigned to ν_s(COO-)”
Rudzka 等 - 2008 - A Trinuclear Nickel(II) Enediolate Complex Synthe DOI: 10.1021/ic800947z. -
hyder 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) hyder 0.8
“symmetric carboxylate ion stretch”
Pal 等 - 2006 - Polyvinyl alcohol-glycine composite membranes pre DOI: 10.1088/1748-6041/1/2/001
Oes gennych sbectrwm gyda＇r band hwn?
Llwythwch eich sbectrwm FTIR i fyny a chael adroddiad dehongli llawn — aseiniadau brig gyda chyfeiriadau llenyddiaeth, cyfateb llyfrgell, a chadwyn dystiolaeth â gradd hyder — mewn eiliadau.
Dehongli fy sbectrwm