What absorbs at 2070 cm⁻¹ in an FTIR spectrum?
A band near 2070 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 7 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 |
|---|---|---|---|
| Adsorbed carbon monoxide | 2 | 2 | 1.0 |
| C=n | 1 | 1 | 1.0 |
| Carbon dioxide | 1 | 1 | 1.0 |
| Thiocyanate | 1 | 1 | 0.8 |
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
-
信心 1.0
“Lack for 1 h at 323 K) on fresh surface (top spectrum) reveals a of oxidized Pd adsorption sites due to the reducing effect of set of vibrational features at 2070, 1980, 1931, 1504, 1463, CO also enables us to rule out the presence of carbo”
Sulfur Poisoning and Regeneration Behavior of Perovskite-Based NO Oxidation Catalysts DOI: 10.1007/s11244-016-0721-9 -
Adsorbed carbon monoxide 信心 1.0
“The absorption peak observed at 2070 cm-1 is due to 0.05 linearly adsorbed CO on the Pt surface [1].”
Setup, sensitivity and application of thin electrolyte layer ATR-FTIR spectroscopy DOI: 10.1016/j.jelechem.2004.01.028 -
Adsorbed carbon monoxide 信心 1.0
“cm-1), 2300-2400 625-725 carbon monoxide (CO: cm-1), 2000-2200 sulfide carbonyl (COS: double peaks at 2070;”
Kinetic analysis of the thermal decomposition of a carbon fibre-reinforced epoxy resin laminate DOI: 10.1016/j.jaap.2017.07.002 -
Carbon dioxide 信心 1.0
“This result clearly indicates that the three peaks at 2041, 2021, and 2070 cm-1 are not associated with just one molecule of Co2(CO)8.”
Wang Hang 等 - 2013 - In situ FTIR study of low-pressure hydroformylatio DOI: 10.1016/S1872-2067(11)60504-4 -
C=n 信心 1.0
“2070 cm-1 C=N stretch, 3000 cm-1 C-H stretch c.”
Walters 等 - 2005 - Structure of a-C N H prepared from ammonia DOI: 10.1557/JMR.2005.0423 -
信心 0.9
“Band at 2070-2030 due to CO on Rh”
Structure and reactivity of Au–Rh bimetallic clusters on titanate nanowires, nanotubes and TiO2(110) DOI: 10.1016/j.cattod.2011.06.002 -
Thiocyanate 信心 0.8
“Text: 'shoulder at 2070' and 'SCN-'”
Johnson 等 - 2021 - An ultrafast vibrational study of dynamical hetero DOI: 10.1063/5.0044822
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