What absorbs at 1286 cm⁻¹ in an FTIR spectrum?
A band near 1286 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 4 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 |
|---|---|---|---|
| Ring structure | 1 | 1 | 1.0 |
| Water (H2O) | 1 | 1 | 1.0 |
| Oxalate | 1 | 1 | 1.0 |
| Carbonate | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 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
-
Hydroxyl (O-H) 信心 1.0
“In the binary mixture of amine N-H bending ), 1489 (Aromatic C=C), 1122 cm-1 cm-1 methyldopa and monohydrate lactose, the endothermic (C-N stretch), 1286 (R-Alkyl O-H deformation cm-1 peak of drug melting is again missing, indicating a kind”
Siahi 等 - 2018 - Analytical Investigation of the Possible Chemical DOI: 10.15171/apb.2018.074 -
Carbonate 信心 1.0
“At pH 5.1, at least four different oxalate species were found at or near the boehmite/water interface for oxalate surface ((cid:1) (cid:2) coverages ox) ranging from 0.25 to 16.44 At relatively low coverages 2.47), strongly adsorbed inner-s”
Yoon 等 - 2004 - Adsorption of organic matter at mineralwater inte DOI: 10.1016/j.gca.2004.04.025 -
Water (H2O) 信心 1.0
“of the bending mode and a far-IR band associated with a for [C and 1576 and 1171 for 44].71,72 librational motion of sterically hindered water molecules (Figure [C 2MIM][BF Stretching modes of the [BF ] anion cm-1 4b).82 (Figure 5a) are the”
MacMillan 等 - 2012 - Interaction of Water Vapor with the Surfaces of Im DOI: 10.1021/jp305029n -
Ring structure 信心 1.0
“vs 1355 1326 117 1368 1331 70 δCH 1326.5 Ring stretch, 1286.0 vw 1301 1272 36 1316 1280 57 ρNH 1282.5 2”
Structure, Spectra and Photochemistry of 2-Amino-4-Methylthiazole: FTIR Matrix Isolation and Theoretical Studies DOI: 10.3390/molecules27123897
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