What absorbs at 1409 cm⁻¹ in an FTIR spectrum?
A band near 1409 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
Mögulegar úthlutun virkra hópa
| Virkur hópur | Stuðningsstaðreyndir | Tilvitnuð heimildir | Mesta öryggi |
|---|---|---|---|
| C-O single bond | 2 | 2 | 0,9 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| S eq o | 1 | 1 | 0,9 |
| Carbonyl (C=O) | 1 | 1 | 0,9 |
| C n single bond | 1 | 1 | 0,9 |
| Alkyl C-H | 1 | 1 | 0,9 |
| Carbonate | 1 | 1 | 0,8 |
| Amide | 1 | 0 | 0,7 |
Röðun endurspeglar uppsöfnuð ritrýnisgögn, ekki eina valdboðsreglu. Staðfestu alltaf í samhengi við sýnið þitt.
Ritlist á bak við þessar úthlutanir
-
Carboxyl (COOH) öryggi 1,0
“Explicitly stated as -OH of -COOH group bending.”
Ha 和 West - 2002 - Studies on the photodegradation of polarized UV-ex DOI: 10.1002/app.11315 -
Alkyl C-H öryggi 0,9
“Explicit assignment: 'absorption peak at 1409 representing the deformation vibration' of -CH”
Kim 和 Kang - 2012 - Fabrication of a Crack-Free Large Area Photonic Cr DOI: 10.1021/cg3005147 -
C-O single bond öryggi 0,9
“Explicit assignment in text: 'the C-O (hydroxyl) stretching at 1409 cm-1'”
Abdali 和 Ajji - 2017 - Preparation of Electrospun Nanocomposite Nanofiber DOI: 10.3390/polym9090453 -
öryggi 0,9
“Explicit assignment: '1436 and 1409 due to NNH bending'”
Akram 等 - 2022 - How to Improve Solubility and Dissolution of Irbes DOI: 10.3390/pharmaceutics14112264 -
C n single bond öryggi 0,9
“Text: 'peak at 1409 was assigned to the C-N stretch of the amide'”
Coutinho 等 - 2012 - Microfabricated photocrosslinkable polyelectrolyte DOI: 10.1039/C2JM31374J. -
Carbonyl (C=O) öryggi 0,9
“Explicit assignment in text”
Thur 等 - 2019 - Bipyridine-based UiO-67 as novel filler in mixed-m DOI: 10.1016/j.progpolymsci.2008.12.004. -
S eq o öryggi 0,9
“Explicit assignment: '1409 ... for S=O'”
Vijitha 等 - 2021 - Fabrication of Eco-Friendly Polyelectrolyte Membra DOI: 10.3390/polym13193293 -
öryggi 0,8
“Attributed to MoS2.”
Karki 等 - 2021 - Synthesis of Molybdenum SulfideTellurium Hetero-C DOI: 10.3390/nano11092346
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