What absorbs at 1120 cm⁻¹ in an FTIR spectrum?
A band near 1120 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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| C-O single bond | 7 | 5 | 0.9 |
| Phosphate (PO4) | 4 | 3 | 0.9 |
| Hydroxyl (O-H) | 2 | 2 | 1.0 |
| C n single bond | 1 | 1 | 1.0 |
| Carbohydrate | 1 | 1 | 0.9 |
| Ester | 1 | 1 | 0.8 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
-
Hydroxyl (O-H) 信心 1.0
“The peak cm-1 normal at 1120 modes at the center of the Brillouin zone is given by [22] appearing is related to the vibration of hydroxyl-tin cm-1 (Sn OH) bond.”
Azam 等 - 2012 - Effect of Mn doping on the structural and optical DOI: 10.1016/j.jallcom.2012.01.072 -
C n single bond 信心 1.0
“Same assignment as 1171.”
Muresan-Pop 等 - 2011 - Spectroscopic and physical-chemical characterizati DOI: 10.3233/SPE-2011-0519 -
C-O single bond 信心 0.9
“Explicit: 'characteristic ether and methoxy peaks at 1120 and 2870'”
Cacao 等 - 2013 - High-Resolution, High-Throughput, Positive-Tone Pa DOI: 10.1371/journal.pone.0056835 -
C-O single bond 信心 0.9
“Explicit assignment in text.”
Battu 等 - 2018 - Biopharmaceutical Process of Diclofenac Multi-part DOI: 10.4274/tjps.92400 -
信心 0.9
“Text states 'signals for sulfate ions were found at 1053, 1120, 1224cm-1'”
Esteban Benito 等 - 2015 - Porous Silicates Modified with Zirconium Oxide and DOI: 10.1155/2015/325463 -
C-O single bond 信心 0.9
“characteristic absorption peaks of cellulose at 1160 and 1120 belong to β-(1-4) the vibration of the -C-O-C-”
Li 等 - 2021 - Polybenzoxazine Resins with Cellulose Phosphide P DOI: 10.3390/polym13244288 -
Carbohydrate 信心 0.9
“Explicit assignment in snippet.”
Medipally 等 - 2019 - Monitoring Radiotherapeutic Response in Prostate C DOI: 10.3390/cancers11070925 -
C-O single bond 信心 0.9
“Explicit assignment in text.”
Rasul 等 - 2021 - Liquid fuel oil produced from plastic based medica DOI: 10.1038/s41598-021-96424-2
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