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
Moguće dodjele funkcionalnih skupina
| Funkcionalna skupina | Potporni dokazi | Citirani izvori | Najveća pouzdanost |
|---|---|---|---|
| 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 |
Rangiranje odražava akumulirane literaturne dokaze, a ne jedno autoritativno pravilo. Uvijek provjerite u kontekstu vašeg uzorka.
Literatura iza ovih dodjela
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Hydroxyl (O-H) pouzdanost 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 pouzdanost 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 pouzdanost 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 pouzdanost 0,9
“Explicit assignment in text.”
Battu 等 - 2018 - Biopharmaceutical Process of Diclofenac Multi-part DOI: 10.4274/tjps.92400 -
pouzdanost 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 pouzdanost 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 pouzdanost 0,9
“Explicit assignment in snippet.”
Medipally 等 - 2019 - Monitoring Radiotherapeutic Response in Prostate C DOI: 10.3390/cancers11070925 -
C-O single bond pouzdanost 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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