What absorbs at 3071 cm⁻¹ in an FTIR spectrum?
A band near 3071 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 |
|---|---|---|---|
| Alkyl C-H | 4 | 4 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| Aromatic ring | 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
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Alkyl C-H 信心 1.0
“Pure eugenol cm-1 cm-1 spectra shows sharp characteristic peaks at 3518.16 (-OH stretching), 3070.68 (-CH stretching/sp2), cm-1 sp3), cm-1 2738.92-2908.”
Cahyono 等 - 2018 - Characteristics of eugenol loaded chitosan-tripoly DOI: 10.1088/1757-899X/349/1/012010 -
Alkyl C-H 信心 1.0
“LLM confirmed rule peak-group candidate”
Structural, optical and dielectric studies of Ag nanoparticles decorated by herceptin DOI: 10.1016/j.physe.2019.113562 -
Aromatic ring 信心 1.0
“The aromatic C-H stretching frequency has been observed at 3071 and cm-1 the absorption at 3460 represents the presence of a phenolic OH group in the novolac polymer.”
Synthesis and In Vitro Antimicrobial Evaluation of Photoactive Multi—Block Chalcone Conjugate Phthalimide and 1,8-Naphthalimide Novolacs DOI: 10.3390/polym13111859 -
Alkyl C-H 信心 1.0
“LLM confirmed rule peak-group candidate”
Liu 等 - 2013 - Enhancement in dentin collagen's biological stabil DOI: 10.1016/j.dental.2013.01.013.
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