What absorbs at 2009 cm⁻¹ in an FTIR spectrum?
A band near 2009 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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Alkyl C-H | 2 | 1 | 1.0 |
| C c single bond | 1 | 1 | 1.0 |
| Water (H2O) | 1 | 1 | 1.0 |
| N-O bond | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
-
Hydroxyl (O-H) 信心 1.0
“2009 for OH bands above 3000 behavior for the humite-group minerals at high temperatures Phase E (e.g., Kleppe et al.”
In-situ high-temperature vibrational spectra for synthetic and natural clinohumite: Implications for dense hydrous magnesium silicates in subduction zones DOI: 10.2138/am-2019-6604 -
Alkyl C-H 信心 1.0
“The peak at 3,014 is due cm-1 3,213 are due to the -C=Cand =CH modes of adsorbed to CH stretching of alkenes (Mistry, 2009), the doublet at 2,9642,921cm-1 groups,whilethe2,877cm-1 acetylene, whose formation is accompanied by the complete is”
Carbon Domains on MoS2/TiO2 System via Catalytic Acetylene Oligomerization: Synthesis, Structure, and Surface Properties DOI: 10.3389/fchem.2017.00091 -
N-O bond 信心 1.0
“intensities for the RM but no band broadening, evolve2009).”
Pedersen 等 - 2015 - Bacterial and abiotic decay in waterlogged archaeo DOI: 10.3929/ethz-b-000095042 -
Water (H2O) 信心 1.0
“Materials 2009, 2 730 Water absorption of (a) PEU-1 series, (b) PEU-2 series after 72 hours soaking in Figure 8.”
Isopropyl Myristate-Modified Polyether-Urethane Coatings as Protective Barriers for Implantable Medical Devices DOI: 10.3390/ma2030719 -
C c single bond 信心 1.0
“by the narrow peak around 1550 represents the C-C plane stretching vibration 2009).”
da Cunha-Pereira 等 - 2020 - Treatment and characterization of biomass of soybe DOI: 10.1590/0001-3765202020191258
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