What absorbs at 1320 cm⁻¹ in an FTIR spectrum?
A band near 1320 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 | 0.9 |
| Amide | 2 | 2 | 0.9 |
| Alkyl C-H | 1 | 1 | 0.9 |
| Boron nitrogen | 1 | 1 | 0.9 |
| Ester | 1 | 1 | 0.9 |
| C n single bond | 1 | 1 | 0.9 |
| Nitrate | 1 | 1 | 0.9 |
| Carbohydrate | 1 | 1 | 0.9 |
| Sulfur heterocycle | 1 | 1 | 0.8 |
| Carboxyl (COOH) | 1 | 1 | 0.8 |
| Hydroxyl (O-H) | 1 | 1 | 0.7 |
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
-
信心 1.0
“Explicit assignment: methacrylate C-O stretching peak at 1320 cm-1”
Delgado 和 Young - 2021 - Modelling ATR-FTIR Spectra of Dental Bonding Syste DOI: 10.3390/ma14040760 -
信心 1.0
“explicit assignment in text”
Hong 等 - 2022 - Underlying Mechanisms of Reductive Amination on Pd DOI: 10.3390/ijms23147621 -
信心 0.9
“Explicit assignment: 'weak D peak near 1320 cm-1'.”
Barhai 等 - 2011 - DEPOSITION OF WIDE BAND GAP DLC FILMS USING RF PEC DOI: 10.1142/S0217979211100102 -
信心 0.9
“Text assigns sharp peak at 1320 cm-1 to C-N stretching of aromatic amines.”
Netala 等 - 2016 - Endophytic fungal isolate mediated biosynthesis of DOI: 10.1007/s13205-016-0433-7 -
Carbohydrate 信心 0.9
“Explicitly stated 'pectin cm-1 bands at 1240 and 1320'.”
Sharm 和 Uttam - 2017 - Rapid analyses of stress of copper oxide nanoparti DOI: 10.1016/j.vibspec.2017.06.004 -
Nitrate 信心 0.9
“Absorption peak height for nitrate”
Yu 等 - 2018 - Fast screening compositions of PM2.5 by ATR-FTIR DOI: 10.1016/j.jes.2017.11.021 -
C-O single bond 信心 0.9
“Explicit assignment in text: 'C-O stretch absorbance at 1320'”
Almusa 等 - 2021 - Determination of Dental Adhesive Composition throu DOI: 10.3390/polym13223886 -
C n single bond 信心 0.9
“C-N stretching at 1320 cm-1”
Barick 等 - 2009 - Nanoscale assembly of amine-functionalized colloid DOI: 10.1016/j.jmmm.2009.02.080.
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