What absorbs at 692 cm⁻¹ in an FTIR spectrum?
A band near 692 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
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| Alkene (C=C) | 2 | 2 | 1.0 |
| Carbonate | 1 | 1 | 1.0 |
| C-S single bond | 1 | 1 | 1.0 |
| C-O single bond | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 0 | 1.0 |
排名反映了累积的文献证据，而非单一的权威规则。请始终对照您的样品背景进行确认。
这些分配背后的文献
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C-O single bond 置信度 1.0
“An amino acid Conflicts of Interest C-H 1032cm-1 stretching causes a band, while bending C-O-C 692cm-1 vibrations peak at 612 and and stretch”
Zahoor 等 - 2023 - Biosynthesis and Anti-inflammatory Activity of Zin DOI: 10.1155/2023/3280708 -
置信度 1.0
“According to the batch case, the bands assigned at and may also be experiment results, both Cr and Pb cations were retained at sites with related to the interactions withthe free waterand the organic matter 692cm-1 high sorption energies;”
Fonseca 等 - 2011 - Mobility of Cr, Pb, Cd, Cu and Zn in a loamy sand DOI: 10.1016/j.geoderma.2011.06.016 -
C-S single bond 置信度 1.0
“et al., from C-N stretching vibration (Kong 2007), Structural properties and presence of characteristic it is observed that the band corresponding to amide functional groups of the molecules and biomolecules I is more intense that the band”
Gomez-Montano 等 - 2020 - Detection of Salmonella enterica on silicon substr DOI: 10.24275/rmiq/Bio993 -
置信度 1.0
“the band below 700 The characteristic absorption bands of the sample at 692 and cm-1 cm-1 583 were assigned to iron(II) oxide bending, and the band at 459 to 446 was”
Hanh 等 - 2023 - Adsorption of Tetracycline by Magnetic Mesoporous DOI: 10.3390/su15064727 -
Alkene (C=C) 置信度 1.0
“The analyzed infrared spectra C=O) [32,33], 1654 (C=C stretching vibration of cis692 Mariana-Atena Poiana et al.”
Poiana 等 - 2015 - Use of ATR-FTIR spectroscopy to detect the changes DOI: 10.1515/chem-2015-0110 -
Carbonate 置信度 1.0
“9) [24] and weak bands Ca2p centered at 692 cm-1 (for two samples), which correspond to the B-type carbonate substitution (CO 32-→PO 43-) in the hydroxyapatite lattice [10,19,24,61,62].”
Radev 等 - 2009 - OrganicInorganic bioactive materials Part III in DOI: 10.2478/s11532-009-0078-z -
Alkene (C=C) 置信度 1.0
“The band at 692 is due to the C=C bond of the”
Sivasankari 等 - 2013 - Synthesis and Characterization of Thiophene Contai DOI: 10.14233/ajchem.2013.13514
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