What absorbs at 2982 cm⁻¹ in an FTIR spectrum?
A band near 2982 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 | 6 | 5 | 1.0 |
| Carboxyl (COOH) | 3 | 3 | 1.0 |
| N h | 3 | 2 | 1.0 |
| Secondary amine | 2 | 1 | 1.0 |
| Hydrogen bond | 1 | 1 | 1.0 |
| Amino acid | 1 | 1 | 1.0 |
| S eq o | 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
-
Carboxyl (COOH) 置信度 1.0
“LLM confirmed rule peak-group candidate”
Fatima 等 - 2021 - Extraction and Chemical Characterization of Humic DOI: 10.3390/su13168969 -
Alkyl C-H 置信度 1.0
“Assigned to C-H bond of polymers”
Madadi 和 Wei - 2022 - Characterization of Calcium Silicate Hydrate Gels DOI: 10.3390/gels8020075 -
S eq o 置信度 1.0
“3 1000 S=O Stretch 2982 -CH Vibrations 3 3+ 1252 CH 3-NH rocking”
Origin of Defects and Positron Annihilation in Hybrid and All-Inorganic Perovskites DOI: 10.1021/acs.chemmater.1c03540 -
Alkyl C-H 置信度 1.0
“LLM confirmed rule peak-group candidate”
S-Adenosyl-L-Methionine and Cu(II) Impact Green Plant Regeneration Efficiency DOI: 10.3390/cells11172700 -
N h 置信度 1.0
“DPPC(cid:48) + K5F2 it is 2957 (30 (50 Interestingly, the FTIR spectra of DPPC(cid:48) cm-1 ◦C)/2982 cm-1 ◦C), + K5F2 reveal a band at 2982 (30 (50 which is attributed 3+ 3+) (ν to the antisymmetric stretching of NH moiety asNH of Lys amino”
Adsorption/Desorption of Cationic-Hydrophobic Peptides on Zwitterionic Lipid Bilayer Is Associated with the Possibility of Proton Transfer DOI: 10.3390/antibiotics12071216 -
Alkyl C-H 置信度 1.0
“Thus, the main IR bands of the EA/MMA cm-1 cm-1 acrylic binder at 2982, 2953, and 2875 (C-H stretching), 1730 (C=O stretching),”
Pintus 等 - 2022 - Multi-Analytical Investigations of Andy Warhol's DOI: 10.3390/polym14030633 -
Hydrogen bond 置信度 1.0
“IR peaks of fenofibrate in prepared co-crystals when compared to pure drug thereby indicating the presence Materials of hydrogen bonding in the co-crystals as shown in Fenofibrate was obtained as a gift sample from Alembic 2982cm-1 Table 1.”
Shete 等 - 2018 - Solid State Characterization and Tableting Studies DOI: 10.5530/ijper.52.1.8 -
Alkyl C-H 置信度 1.0
“The FTIR spectrum of oleic acid was presented earlier in presented earlier in the work [2]: the characteristic peaks at 2982, 2925, and 2857 cm-1 of cm-1 the work [2]: the characteristic peaks at 2982, 2925, and 2857 of the C-H stretching t”
Zlotnikov 等 - 2023 - Smart pHand Temperature-Sensitive Micelles Based DOI: 10.3390/pharmaceutics15041135
是否有此波段的光谱？
上传您的FTIR光谱，几秒钟内即可获得完整的解读报告——包含带文献引用的峰分配、库匹配和带有置信度评级的证据链。
解读我的光谱