What absorbs at 772 cm⁻¹ in an FTIR spectrum?
A band near 772 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
Iespējamie funkcionālo grupu piešķīrumi
| Funkcionālā grupa | Atbalstošie fakti | Citētie avoti | Augstākā pārliecība |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 1,0 |
| Borate | 2 | 2 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
| Methoxy (OCH3) | 1 | 1 | 1,0 |
| Methacrylate | 1 | 1 | 1,0 |
| C-O single bond | 1 | 1 | 1,0 |
| Acetate | 1 | 1 | 1,0 |
| Phosphate (PO4) | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 1 | 1,0 |
| C-S single bond | 1 | 1 | 1,0 |
Rangs atspoguļo uzkrātos literatūras pierādījumus, nevis vienu autoritatīvu noteikumu. Vienmēr apstipriniet atbilstoši parauga kontekstam.
Literatūra aiz šiem piešķīrumiem
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pārliecība 1,0
“In Fourier-transform infrared spectra, a Cr O peak newly cm¡1 Cr-O cm¡1 appeared at 897 after Cr(VI) removal, whereas a peak was detected at 772 due to the association of Cr(VI) ions with ion-exchange sites.”
Modacrylic anion-exchange fibers for Cr\(VI\) removal from chromium-plating rinse water in batch and flow-through column experiments DOI: 10.1080/10934529.2017.1356192 -
C-S single bond pārliecība 1,0
“cm-1 cm-1, S-OH [15] and the C-S stretching peaks were obtained at 907 and 772 respecOH [15] and the C-S stretching peaks were obtained at 907 cm-1 and 772 cm-1, respectively cm-1 tively [16,17].”
Anis 等 - 2023 - Studies on Polybenzimidazole and Methanesulfonate DOI: 10.3390/polym15132821 -
Phosphate (PO4) pārliecība 1,0
“The band around 772 cm-1 frequency of (PO and the harmonics of P=O bending vibrations [21,22].”
The Influence of CoO/P2O5 Substitutions on the Structural, Mechanical, and Radiation Shielding of Boro-Phosphate Glasses DOI: 10.3390/ma14216632 -
Acetate pārliecība 1,0
“1,6-Bis[4-(naphthyliminomethylidene)-phenoxy]-hexane cm-1): ν, FTIR (KBr, 3047 (=C-H stretch of the aromatic rings), 2941-2856 (C-H stretch of aliphatic chains), 1618 (-N=CHstretch), 1605, 1565, 1513 (C-C ring stretch), 1246, 1H-NMR 1166 (C”
Mesomorphic Behavior of Symmetric Azomethine Dimers Containing Different Chromophore Groups DOI: 10.3390/molecules26082183 -
pārliecība 1,0
“bands observed at 772 and 809 were assigned to the OCO Nucleophilicity is a measure of the molecule to contribute the electrons.”
Growth, spectral, optical, electrical and computational analysis of sodium oxalate single crystals DOI: 10.1016/j.heliyon.2021.e06527 -
Borate pārliecība 1,0
“For the C-PVA/PAN composite fiber, new absorption peaks located at cm-1 cm-1 772 and 653 were assigned to the stretching vibration of B-O-C and O-B-O [17,18].”
Ren 等 - 2018 - Polyvinyl Alcohol Reinforced Flame-Retardant Polya DOI: 10.3390/ma11122391 -
Alkyl C-H pārliecība 1,0
“The cm-1 (peak 12) is assigned to methylene absorption at 772”
The Synthesis and Characterization of Novel Bis-cationic Asphalt Emulsifier DOI: 10.1051/matecconf/201713004004 -
Alkyl C-H pārliecība 1,0
“The GNPs with good biocompatibility could bring modes of in-plane C-C stretching vibrations of The cm-1 new opportunities for ultrasensitive detection, molecular Raman band at 772 was assigned to the C-H out-of-”
IJN-24785-one-pot-green-synthesis-of-gold-nanoparticles-using-plant-ch DOI: 10.2147/IJN.S24785
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