What absorbs at 1469 cm⁻¹ in an FTIR spectrum?
A band near 1469 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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Alkyl C-H | 3 | 2 | 0.9 |
| Aromatic ring | 2 | 1 | 0.9 |
| Methoxy (OCH3) | 1 | 1 | 0.9 |
| Carbonate | 1 | 1 | 0.9 |
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
-
Carbonate 信心 0.9
“Explicit assignment: 'three typical peaks at 1469 cm-1' and 'peaks located at 1450 to ~1470' assigned to carbonate.”
Li 等 - 2014 - Mineralogical characterization of calcification in DOI: 10.1180/minmag.2014.078.4.01 -
Alkyl C-H 信心 0.9
“explicit assignment”
Yuan 等 - 2015 - Hydrophobic effect of silica functionalized with s DOI: 10.1007/s12039-015-0965-0 -
Aromatic ring 信心 0.9
“Explicit assignment in text.”
Ahmad 等 - 2022 - Synthesis, Characterization, and Antibacterial Pot DOI: 10.3390/pr10091878 -
信心 0.9
“Explicitly stated: '1469 (C-CH2)'”
Bahramnia 等 - 2022 - The Effect of 3-(Glycidoloxy Propyl) Trimethoxy Si DOI: 10.21203/rs.3.rs-381518/v1 -
Alkyl C-H 信心 0.9
“Characteristic absorption peak for pure HDPE corresponds to C-H rocking.”
Jaafar 等 - 2022 - Physical and Mechanical Properties of Tilapia Scal DOI: 10.3390/polym14020251 -
信心 0.9
“Explicit assignment: -CH scissor vibration at 1469.”
Kim 等 - 2019 - Thorn-like TiO2 nanoarrays with broad spectrum ant DOI: 10.1038/s41598-019-50116-0 -
信心 0.8
“Attributed to stretching vibration of PPS.”
Xing 等 - 2018 - Enhanced Oxidation Resistance of Polyphenylene Sul DOI: 10.3390/polym10010083
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