What absorbs at 1379 cm⁻¹ in an FTIR spectrum?
A band near 1379 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
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 | 4 | 4 | 0.95 |
| Methyl | 3 | 3 | 1.0 |
| C-O single bond | 2 | 2 | 0.9 |
| C c single bond | 1 | 1 | 0.9 |
| C n single bond | 1 | 1 | 0.9 |
| Alkene (C=C) | 1 | 1 | 0.8 |
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
-
Methyl 置信度 1.0
“Intense peak confirmed terminal methyl group.”
Narayanan 等 - 2022 - A Novel Insight Into the Fabrication of Polyhydrox DOI: 10.21203/rs.3.rs-924055/v1 -
Alkyl C-H 置信度 0.95
“Explicit assignment: deformation vibrations of CH bonds, peaks at 1459 and 1379 belong to CH2 and CH3 groups.”
Sejkorova 等 - 2020 - FTIR Spectrometry with PLS Regression for Rapid TB DOI: 10.3390/en13236438 -
Alkyl C-H 置信度 0.9
“Explicit assignment: 'bands at 2905 and 1379 are related to -CH'.”
Cheng 等 - 2018 - A new approach to improve mechanical properties an DOI: 10.1016/j.conbuildmat.2018.05.134 -
置信度 0.9
“Explicit assignment: '1,379.0 may correspond to aromatic amines ... indicating C-N stretching'”
Dey 和 Chaudhuri - 2016 - Immunomodulatory activity of Nerium indicum throug DOI: 10.1007/s10616-014-9826-9 -
C c single bond 置信度 0.9
“Explicit assignment from text.”
Korani 等 - 2021 - Evaluation of Antimicrobial and Wound Healing Effe DOI: 10.1155/2021/7019130 -
C-O single bond 置信度 0.9
“visible peak at 1379cm-1 is due to presence of C-O group”
Sumathi 等 - 2014 - Production of Prodigiosin Using Tannery Fleshing a DOI: 10.1155/2014/290327 -
Alkene (C=C) 置信度 0.8
“Listed in same sentence as 1462 and 1281 cm-1, all assigned to same group.”
Sateesh Reddy 等 - 2021 - Monitoring of Chemical Markers in Extraction of Tr DOI: 10.1093/jaoacint/qsab025 -
置信度 0.8
“Text: 'Two strong peaks located at ... 1379cm-1 can be ascribed to vibrations like those of wurtzite BN'”
Wang 等 - 2010 - Synthesis of Boron Nitride Nanotubes by Self-Propa DOI: 10.1155/2010/540456
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