What absorbs at 2832 cm⁻¹ in an FTIR spectrum?
A band near 2832 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
Možná přiřazení funkčních skupin
| Funkční skupina | Podpůrná fakta | Citované zdroje | Nejvyšší spolehlivost |
|---|---|---|---|
| Amino acid | 1 | 1 | 1,0 |
| N h | 1 | 1 | 1,0 |
| Aromatic ring | 1 | 1 | 1,0 |
| Secondary amine | 1 | 1 | 1,0 |
| C n single bond | 1 | 1 | 1,0 |
| Amide | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 0 | 0,9 |
Pořadí odráží nahromaděné literární důkazy, nikoli jediné autoritativní pravidlo. Vždy potvrďte v kontextu vašeho vzorku.
Literatura za těmito přiřazeními
-
Alkyl C-H spolehlivost 1,0
“2 cm(cid:1)1 the curve under the CH stretch region was plotted as a of 2832 band increased for diamond sheets that were function of H concentration for the standard sample.”
Titus 等 - 2005 - Quantitative analysis of hydrogen in chemical vapo DOI: 10.1016/j.diamond.2004.12.001 -
Amide spolehlivost 1,0
“The calculated 2820 N-CH 3 frequencies (Table 2) are not only from pure C-N stretching 2832 O-CH 3 SP3CH 2850 Sym.”
Titus 等 - 2006 - Nitrogen and hydrogen related infrared absorption DOI: 10.1016/j.tsf.2005.12.062 -
Aromatic ring spolehlivost 1,0
“observed at 2832.5 The fourth peak is a bond valence vibration C=C aromatic ring”
Belo 等 - 2018 - Development of a Black Liquor Electrolyzer for Lig DOI: 10.1149/08604.0003ecst -
spolehlivost 1,0
“cm-1 The wavenumber at 2976 can be associated to N-H and C-H stretching, 2860 to the C-H asymmetNH+ cm-1 ric stretching vibration, and 2832 to N-H symmetric stretching ( ) also present in free amino acids.”
ATR-FTIR spectroscopy of plasma supported by multivariate analysis discriminates multiple sclerosis disease DOI: 10.1038/s41598-023-29617-6 -
spolehlivost 0,9
“Explicit assignment in text.”
Bawazeer 等 - 2021 - Green synthesis of silver nanoparticles using Trop DOI: 10.1515/gps-2021-0003 -
spolehlivost 0,9
“Explicit assignment in text.”
Bawazeer 等 - 2021 - Synthesis, Characterization and Bioactivity Profil DOI: 10.22207/JPAM.15.2.11
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