What absorbs at 1161 cm⁻¹ in an FTIR spectrum?
A band near 1161 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 |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 1.0 |
| C-O single bond | 2 | 1 | 1.0 |
| C c single bond | 1 | 1 | 1.0 |
| Carbohydrate | 1 | 1 | 1.0 |
| Ring structure | 1 | 1 | 1.0 |
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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Ring structure hyder 1.0
“cm-1, due to Meanwhile, the presence of electron-withdrawing bromines in Meanwhile, the intense peaks at 1161 and 1042 υ(CCC) compound (2), reduced the electron density in the phenylene ring stretching vibration of long linear dioctyloxy ch”
Synthesis of a novel 1,4‐bis[2‐(5‐thiophen‐2‐yl)‐1‐benzothiophene]‐2,5‐dioctyloxybenzene pentamer for creatinine detection. DOI: 10.1002/ajoc.202100374 -
Carbohydrate hyder 1.0
“C-O bond stretching Pyranose ring 1161 Anti-symmetrical C-O-C stretching Cellulose 1105”
Micro-FTIR combined with curve fitting method to study cellulose crystallinity of developing cotton fibers DOI: 10.1007/s00216-020-03094-6 -
Alkyl C-H hyder 1.0
“test.However,thedisintegrationtimeforthesheabutterand 1176.33cm-1 1161.12cm-1, 719.71cm-1 to and to beeswax combination increased with increasing amounts of 718.71cm-1 which corresponds to C-H (CH 2), C-H (CH 3)”
Bartels 等 - 2021 - Formulation of Suppositories of Alum Produced from DOI: 10.1155/2021/6667562 -
hyder 1.0
“LLM confirmed rule peak-group candidate”
Chen 等 - 2021 - A Research on Durability Degradation of Mineral Ad DOI: 10.3390/ma14071752 -
C-O single bond hyder 1.0
“LLM confirmed rule peak-group candidate”
Concepcion Rodriguez-Robledo 等 - 2018 - Cellulose-Silica Nanocomposites of High Reinforcin DOI: 10.3390/ma11040575 -
Alkyl C-H hyder 1.0
“The fingerprint region in 1500-900 cm-1 enclosed the CH2 bending band at 1452 cm-1, and the CO/CH2 stretching and bending band at 1161 cm-1 [36,48,59].”
Detection of Lipid Oxidation in Infant Formulas: Application of Infrared Spectroscopy to Complex Food Systems DOI: 10.3390/foods9101432 -
C c single bond hyder 1.0
“C-C-Cinplanebend 102 1153.454 1114.2 23.5 CHinplanebend 163 366.7925 354.3 26.7 C-C-Cinplanebend 103 1146.305 1107.3 48.5 CNstretching 1222.3 164 357.1741 345.0 36.5 C-C-Cinplanebend 104 1137.087 1098.4 579.3 CNstretching 1191 165 352.9152”
Computational and spectral studies of 3,3'-(propane-1,3-diyl)bis(7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one) DOI: 10.1016/j.heliyon.2019.e02420
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