What absorbs at 2000 cm⁻¹ in an FTIR spectrum?
A band near 2000 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 |
|---|---|---|---|
| Silicon hydride | 4 | 3 | 0.95 |
| C-O single bond | 4 | 3 | 0.9 |
| C n single bond | 1 | 1 | 0.9 |
| Adsorbed carbon monoxide | 1 | 1 | 0.9 |
| Alkyl C-H | 1 | 1 | 0.7 |
| Water (H2O) | 1 | 1 | 0.7 |
| C=n | 1 | 1 | 0.5 |
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
-
Silicon hydride 置信度 0.95
“Text: 'typical Si-H vibration absorbance peak at 2000'”
Ristova 等 - 2005 - Effect of long-term He-Ne laser light exposure and DOI: 10.1088/0268-1242/20/10/004 -
Silicon hydride 置信度 0.9
“Text: 'Si-H stretching mode shifts from 2000 to 2100'”
Hou 等 - 2011 - Evolution of infrared spectra and optical emission DOI: 10.1088/1674-1056/20/7/077802 -
置信度 0.9
“Bands at 2000 and 2090 attributed to stretching mode of mono-hydrides Si-H and poly-hydrides Si-H2.”
Seba 等 - 2009 - Correlation between physicochemical and electrical DOI: 10.4028/www.scientific.net/MSF.609.129 -
置信度 0.9
“Stretching modes around 2000 cm-1 assigned to Si-H.”
Zhang 等 - 2005 - A combinatorial analysis of deposition parameters DOI: 10.1016/j.apsusc.2004.09.109 -
Adsorbed carbon monoxide 置信度 0.9
“Explicit assignment: band at 2000 cm-1 corresponds to linear CO.”
Liu 等 - 2013 - Combined studies of DFT atomistic modelling and in DOI: 10.1016/j.jelechem.2012.10.027 -
置信度 0.9
“From snippet: strong band at around 2000 (N=C=S)”
Mumtaz 等 - 2018 - SYNTHESIS, CHARACTERIZATION AND UREASE INHIBITION DOI: 10.1016/j.ejmech.2011.09.009. -
C n single bond 置信度 0.9
“Part of the absorption bands between 2400 and 2000.”
Stahel 等 - 2023 - Antibacterial Thin Films Deposited from Propane-Bu DOI: 10.3390/ijms24021706 -
置信度 0.8
“Text: 'broadband around 2000cm-1 indicates the formation of doped polypyrrole'”
Selvaraj 等 - 2008 - Polypyrrole as a protective pigment in organic coa DOI: 10.1016/j.synthmet.2008.06.031
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