What absorbs at 1220 cm⁻¹ in an FTIR spectrum?
A band near 1220 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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| C-O single bond | 3 | 3 | 1.0 |
| Lignin | 2 | 2 | 0.95 |
| C-S single bond | 1 | 1 | 0.95 |
| Fluorine (C-F) | 1 | 1 | 0.9 |
| Phosphate (PO4) | 1 | 1 | 0.9 |
| Sulfate (SO4) | 1 | 1 | 0.9 |
| Amide | 1 | 1 | 0.9 |
| Carbonyl (C=O) | 1 | 1 | 0.8 |
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
-
C-O single bond 信心 1.0
“Explicit assignment.”
Nadal 等 - 2018 - A Simple and High-yield Synthesis of Hexadecyl Fer DOI: 10.1590/1678-4324-2018170809 -
C-S single bond 信心 0.95
“Explicit assignment in text”
Retnoningtyas 等 - 2022 - Synthesis and Characterization of Methionine-Funct DOI: 10.33263/BRIAC125.58455859 -
Lignin 信心 0.95
“Same sentence as 1600”
Solihat 等 - 2020 - Microwave assisted dilute organic acid pre-treatme DOI: 10.1088/1757-899X/935/1/012046 -
Amide 信心 0.9
“Amide-III band at 1220 cm-1”
Keceli 等 - 2020 - Dual delivery of platelet-derived growth factor an DOI: 10.1111/jre.12756 -
Sulfate (SO4) 信心 0.9
“Corresponds to ester sulfate groups.”
Moustafa 等 - 2021 - Preparation and Characterization of Super-Absorbin DOI: 10.3390/polym13244308 -
信心 0.9
“correspond to sulfonic groups”
Abu-Saied 等 - 2021 - Highly Conductive Polyelectrolyte Membranes Poly(v DOI: 10.3390/polym13162638 -
C-O single bond 信心 0.9
“Explicit assignment: 'absorption bands of the C-O at 1220 cm-1'.”
Boudebouz 等 - 2016 - Synthesis and Study of Glycoluril Derivatives DOI: 10.1063/1.4964534 -
信心 0.9
“Same as above.”
Dal Pozzo 等 - 2019 - Free fatty acids esterification catalyzed by acid DOI: 10.1039/c8ra10248a
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