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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| 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
-
Siloxane (Si-O-Si) 信心 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 信心 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 信心 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 信心 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) 信心 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
有包含此波峰的圖譜嗎？
上傳您的FTIR圖譜，幾秒內即可獲得完整的解讀報告——包含帶有文獻引用的峰位指派、圖譜庫比對以及信心等級評估的證據鏈。
解讀我的圖譜