What absorbs at 1159 cm⁻¹ in an FTIR spectrum?
A band near 1159 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
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| C-O single bond | 2 | 2 | 0.9 |
| Ring structure | 1 | 1 | 1.0 |
| Aromatic ring | 1 | 1 | 1.0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1.0 |
| Siloxane (Si-O-Si) | 1 | 1 | 1.0 |
| Sulfonate | 1 | 1 | 0.95 |
| Alkyl C-H | 1 | 1 | 0.9 |
| C n single bond | 1 | 1 | 0.9 |
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
-
Aromatic ring 置信度 1.0
“by N-C55O pseudosymmetric stretching at Other absorption bands 1589cm21, Downloaded C55C located at 1576 and due to stretching bands in chloroalk1159cm21 enes, at 1366 and corresponding to the benzene ring stretching spectra[30] and breathi”
Armenta 等 - 2005 - Vibrational spectrometry strategies for quality co DOI: 10.1080/00387010500315843 -
Siloxane (Si-O-Si) 置信度 1.0
“Peak at 1159 cm-1 assigned to Si-O-Si and Si-O-C absorption.”
Mir 等 - 2017 - Thermal, Rheological, Mechanical and Morphological DOI: 10.1007/s10924-016-0880-6 -
Sulfonate 置信度 0.95
“Same assignment as above.”
Taweekarn 等 - 2015 - Synthesis and characterization of sulfonated poly( DOI: 10.1007/s00289-014-1272-5 -
C n single bond 置信度 0.9
“Part of the same range as above.”
Raharja 等 - 2017 - Mocaf Cross-Linking with Gluten to Improve The Qua DOI: 10.1063/1.4978123 -
C-O single bond 置信度 0.9
“Assigned to C-O bond.”
Firoozi 和 Kang - 2020 - Immobilization of FGF on Poly(xylitol dodecanedioi DOI: 10.1038/s41598-020-67261-6 -
Alkyl C-H 置信度 0.9
“Explicit assignment in text”
Kafarska 等 - 2017 - Synthesis, Spectroscopic, and Thermal Investigatio DOI: 10.1155/2017/6172626 -
C-O single bond 置信度 0.9
“Text: 'peak in 1159 is a bridge stretching vibration glycosidic starch (C-O-C)'”
Muharam 等 - 2017 - Characterization of Superabsorbent Hydrogel Based DOI: 10.1063/1.4991187
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