What absorbs at 726 cm⁻¹ in an FTIR spectrum?
A band near 726 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 5 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 |
|---|---|---|---|
| Alkyl C-H | 3 | 3 | 1.0 |
| Borate | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 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
-
Alkyl C-H 置信度 1.0
“LLM confirmed rule peak-group candidate”
Bahadi 等 - 2021 - Synthesis and Characterization of Green Biodegrada DOI: 10.33263/BRIAC116.1435914371 -
Alkyl C-H 置信度 1.0
“cm-1 Peaks at 2927-2856 indicate the -CH 2and -CH scissoring of OA and EOA, as shown in Figure 1, while the 3 cm-1 absorption bands at 726 indicate C-H vibration.”
Bahadi 等 - 2021 - Synthesis and characterization of palm oleic acid DOI: 10.48317/IMIST.PRSM/morjchem-v9i3.23865 -
Hydroxyl (O-H) 置信度 1.0
“(O-H) 434 to The FTIR spectra result showed that functional groups 2,997-3,726cm-1 (C-H) findings confirm specific wavenumber, functional These that some functional groups are exist within cm-1,(Si-H)-basedgroupsfrom2397 groupsfrom2,880to2,”
Anwar-ul-Haq 等 - 2022 - Role of Bacterial Consortium and Synthetic Surfact DOI: 10.3389/fenrg.2022.874492 -
Borate 置信度 1.0
“(cm-1) LP1 475 667 - 1554 1613 1648 ∼470 Pb-O LP2 470 726 - 1506 1615 1694 bond vibrations O-B-O LP3 473 761 - 1540 1684 bond bending vibrations ∼726 B-O-B LP4 468 726 996 1506 1684 linkages bending and isolated BO3LP5 473 738 1008 1507 161”
Balachander 等 - 2013 - IR analysis of borate glasses containing three alk DOI: 10.2306/scienceasia1513-1874.2013.39.278 -
Alkyl C-H 置信度 1.0
“The band at 726 (band 7) observed in the spectrum is assigned to the CH rocking mode [34].”
Assessment of Chemical and Physico-Chemical Properties of Cyanobacterial Lipids for Biodiesel Production DOI: 10.3390/md11072365
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