What absorbs at 1538 cm⁻¹ in an FTIR spectrum?
A band near 1538 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
Mga posibleng pagtatalaga ng functional-group
| Functional group | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| Amide | 6 | 4 | 1.0 |
| C=n | 1 | 1 | 1.0 |
| Carbonyl (C=O) | 1 | 1 | 0.9 |
| Protein | 1 | 1 | 0.9 |
| N h | 1 | 1 | 0.9 |
| Nitrogen heterocycle | 1 | 1 | 0.9 |
| Secondary amine | 1 | 1 | 0.8 |
| Carboxyl (COOH) | 1 | 1 | 0.8 |
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
-
Amide kumpiyansa 1.0
“Explicit assignment: 'amide II vibrations at 1538'”
Boydston-White 等 - 2006 - Cell-cycle-dependent variations in FTIR micro-spec DOI: 10.1016/j.bbamem.2006.04.018. -
C=n kumpiyansa 1.0
“Explicit assignment in text”
Graur 等 - 2023 - Novel Copper(II) Complexes with N-4,S-Diallylisoth DOI: 10.3390/inorganics11050195 -
Nitrogen heterocycle kumpiyansa 0.9
“Explicit assignment in text.”
Munot 等 - 2019 - Electrochemical Investigations on Semi-conducting DOI: 10.4152/pea.201901043 -
N h kumpiyansa 0.9
“N-H deformation”
Arbab Solimani 等 - 2023 - Carboxymethyl Chitosan-Functionalized Polyaniline DOI: 10.1007/s12010-023-04526-6 -
Amide kumpiyansa 0.9
“second peak at ~1538 related to amide II”
Derombise 等 - 2010 - Influence of Finish Treatment on the Durability of DOI: 10.1002/app.31534 -
Amide kumpiyansa 0.9
“Peak at 1538 cm-1 corresponding to binding vibrations of amide I and II bands of proteins.”
Singh 等 - 2014 - Optimization and Characterization of Silver Nanopa DOI: 10.1155/2014/408021 -
Carbonyl (C=O) kumpiyansa 0.9
“Text: '1538 C=O, amide II'”
Singh 等 - 2021 - Effect of Psyllium (Plantago ovata Forks) Husk on DOI: 10.3390/foods10061181 -
Carboxyl (COOH) kumpiyansa 0.8
“Explicit assignment: 'bands at 1510 or 1538 (Zn)' but context suggests Pb; snippet says 'sharpCOO@ cm@1(Pb) cm@1' and 'their bands at 1510 or1538 (Zn)' - ambiguous; however, 1538 is associated with Pb carboxylate in literature. Based on snippet: 'sharpCOO@ cm@1(Pb) cm@1' and 'their bands at 1510 or1538 (Zn)', we assign 1538 to Pb carboxylate.”
Baij 等 - 2018 - Time-Dependent ATR-FTIR Spectroscopic Studies on F DOI: 10.1002/anie.201712751
May spectrum ka ba na may ganitong band?
I-upload ang iyong FTIR spectrum at makakuha ng buong interpretasyon na ulat — mga pagtatalaga ng peak na may mga pagsipi ng literatura, pagtutugma ng library, at isang kadena ng ebidensya na may rating ng kumpiyansa — sa loob ng ilang segundo.
I-interpret ang aking spectrum