What absorbs at 698 cm⁻¹ in an FTIR spectrum?
A band near 698 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
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| Hydroxyl (O-H) | 2 | 2 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Styrene | 1 | 1 | 1.0 |
| Water (H2O) | 1 | 1 | 1.0 |
| Ring structure | 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
-
Hydroxyl (O-H) 置信度 1.0
“The are mainly enclosed in the cavities of the axially oriented 698cm-1 peak, which increases with a reduction in dichroism of the cm-1 O-H confirms CC phase), while the out-of-plane 717 peak is”
Golla 等 - 2021 - Isolated and aggregated carvacrol guest molecules DOI: 10.1038/s41428-021-00511-0 -
Ring structure 置信度 1.0
“on cm-1 cm-1, PORTUGAL band at 698 computations also provided a value of 1032 for a probably due to ring puckering, being the 2008 combination of the only exception.”
Low-Temperature FTIR Spectroscopic and Theoretical Study on an Energetic Nitroimine: Dinitroammeline (DNAM) DOI: 10.1021/jp711153g -
Water (H2O) 置信度 1.0
“1,586 to 1,698 cm-1 the water absorption band of the spectrum affected by (Bittante and Cecchinato, 2013);”
Strategies for noise reduction and standardization of milk mid-infrared spectra from dairy cattle DOI: 10.3168/jds.2018-16144 -
Styrene 置信度 1.0
“The peaks at 966 cm-1 and 698 cm-1 are caused by the SBS modifier in the SBS-modified asphalt [37] and are caused by the trans butadiene and styrene.”
Prediction of Crack Resistance of LFSMA-13 with and without Anti-Rut Agent Using Parameters of FTIR Spectrum under Different Aging Degrees DOI: 10.3390/ma14123209 -
Alkyl C-H 置信度 1.0
“Polymers 2022, 14, x FOR PEER REVIEW 8 of 15 bands at 1063 and 698 cm-1 are possibly associated with the in-plane C-H and C=C”
Influence of Silanization Treatment of Sponge Gourd (Luffa cylindrica) Fibers on the Reinforcement of Polyester Composites: A Brief Report DOI: 10.3390/polym14163311
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