What absorbs at 3139 cm⁻¹ in an FTIR spectrum?
A band near 3139 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 3 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 |
|---|---|---|---|
| N h | 4 | 3 | 1.0 |
| Secondary amine | 1 | 1 | 1.0 |
| Amide | 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
-
N h 置信度 1.0
“Explicit assignment in text”
Novel Copper(II) Complexes with N4,S-Diallylisothiosemicarbazones as Potential Antibacterial/Anticancer Drugs DOI: 10.3390/inorganics11050195 -
N h 置信度 1.0
“[M-H]+, 3O+: m/z: calcd for C 16H 11ClN 296.06, 2, NH stretch), 3138.79, 3037.49 3414.20, 3353.32 (NH TOF-MS (C≡N), M+ m/z: required for C), 1512.23, 1479.26 found: 296.58 EI-MS (Ar CH), 2182.38 1643.03 (C 3O+: C”
Development of an Efficient, One-Pot, Multicomponent Protocol for Synthesis of 8-Hydroxy-4-Phenyl-1,2-Dihydroquinoline Derivatives DOI: 10.1002/jhet.4193 -
N h 置信度 0.8
“Part of region 3368-3139 assigned to ν(NH).”
El-Sayed 等 - 2021 - PREPARATION, SPECTROSCOPIC, THERMAL AND MOLECULAR DOI: 10.4314/bcse.v35i2.13
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