What absorbs at 1441 cm⁻¹ in an FTIR spectrum?
A band near 1441 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
Mga posibleng pagtatalaga ng functional-group
| Functional group | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| Carbonate | 3 | 3 | 0.9 |
| Aromatic ring | 1 | 1 | 0.95 |
| Alkene (C=C) | 1 | 1 | 0.9 |
| Nitrogen heterocycle | 1 | 0 | 0.9 |
Ang pagraranggo ay sumasalamin sa naipon na ebidensya ng literatura, hindi isang solong awtoritatibong tuntunin. Palaging kumpirmahin laban sa konteksto ng iyong sample.
Literatura sa likod ng mga pagtatalagang ito
-
Aromatic ring kumpiyansa 0.95
“Attributed to aromatic ring stretching.”
Wang 等 - 2022 - Dentin collagen denaturation status assessed by co DOI: 10.1016/j.dental.2022.04.020. -
Carbonate kumpiyansa 0.9
“Carbonate band centered at 1441 cm-1.”
Henderson 等 - 2019 - Infrared chemical mapping of degradation products DOI: 10.1186/s40494-019-0313-7 -
kumpiyansa 0.9
“P-Ph group appears at 1441 cm-1.”
Jiang 等 - 2021 - Phosphine oxide for reducing flammability of ethyl DOI: 10.1515/epoly-2021-0027 -
Alkene (C=C) kumpiyansa 0.9
“Explicit assignment: stretching mode of C=C bond.”
Silva 等 - 2021 - DOI: 10.15446/rcciquifa.v50n2.91038 -
Carbonate kumpiyansa 0.8
“Further heating shifts peak to 1441.31 cm-1, still carbonates.”
Datta 和 Agrawal - 2005 - Effect of acetylacetone on the phase formation of DOI: 10.1080/00150190500308611 -
Carbonate kumpiyansa 0.8
“Text: 'vibrational modes in which the carbonate absorption bands cm-1, v v CaCO3, however, the concentration tested was not sufficient may be seen: (symmet stretching) at 1441'”
Fernandes 等 - 2023 - Evaluation of the Impact of Ferrous Species on the DOI: 10.21577/0103-5053.20230076
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