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
Gán nhóm chức có thể
| Nhóm chức | Sự kiện hỗ trợ | Nguồn tham khảo | Độ tin cậy cao nhất |
|---|---|---|---|
| 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 |
Xếp hạng phản ánh bằng chứng tài liệu tích lũy, không phải một quy tắc duy nhất có thẩm quyền. Luôn xác nhận với ngữ cảnh mẫu của bạn.
Tài liệu tham khảo đằng sau các gán này
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độ tin cậy 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 độ tin cậy 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) độ tin cậy 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 độ tin cậy 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 -
độ tin cậy 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 độ tin cậy 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 độ tin cậy 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 độ tin cậy 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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