What absorbs at 777 cm⁻¹ in an FTIR spectrum?
A band near 777 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 |
|---|---|---|---|
| Alkyl C-H | 2 | 1 | 1.0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1.0 |
| Borate | 1 | 1 | 1.0 |
| Aromatic ring | 1 | 1 | 1.0 |
| Siloxane (Si-O-Si) | 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
-
Siloxane (Si-O-Si) 置信度 1.0
“LLM confirmed rule peak-group candidate”
Fabrication of sol-gel derived new quaternary silicate Bioglass S55P4 DOI: 10.1063/1.5089369 -
Aromatic ring 置信度 1.0
“of the characteristic functional groups of poly flavonoids moiety in proanthocyanidins, whereas those attributed to those of the characteristic functional groups of poly flavonoids moiety in cm-1 at 1520 and 777 were attributed to the skele”
Biao 等 - 2018 - Green Synthesis, Characterization and Application DOI: 10.3390/nano8010053 -
Alkyl C-H 置信度 1.0
“vibration of ether bond 777 817 and aer fastness of silk fabrics mordanting with six metal ions article cm-1 C-H 872 are the absorption peaks of the bond on the were conducted, the results are shown in Table 2.”
Extraction of pigments from camellia seed husks and their application on silk fabrics DOI: 10.1039/d2ra06793e -
Borate 置信度 1.0
“In Figures 3 and 4, which 700cm-1 777cm-1 the vibration signals of [BO is [BO 3] B-O-B vibration.”
Lan 等 - 2021 - The Relationship between the Structure and Thermal DOI: 10.1155/2021/2321558 -
Silicon-oxygen (Si-O) 置信度 1.0
“LLM confirmed rule peak-group candidate”
Corded Ware and Contemporary Hunter-Gatherer Pottery from Southeast Lithuania: Technological Insights through Geochemical and Mineralogical Approaches DOI: 10.3390/min12081006
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