What absorbs at 695 cm⁻¹ in an FTIR spectrum?
A band near 695 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 |
|---|---|---|---|
| Aromatic ring | 1 | 1 | 0.9 |
| N h | 1 | 1 | 0.9 |
| C-S single bond | 1 | 1 | 0.9 |
| Amide | 1 | 1 | 0.9 |
| Metal oxygen | 1 | 1 | 0.8 |
| Metal hydroxyl | 1 | 1 | 0.8 |
| Hydroxyl (O-H) | 1 | 1 | 0.6 |
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
-
Amide 信心 0.9
“New peak at 695 cm-1 assigned to N-H bending vibration”
Kord 等 - 2020 - Effect of Surface Functionalization of SiO2 Nanopa DOI: 10.1007/s10924-019-01576-y -
信心 0.9
“Explicit assignment in text.”
Uner 等 - 2016 - Centaurea solstitialis and Silybum marianum weeds DOI: 10.1007/s13726-015-0396-2 -
C-S single bond 信心 0.9
“Explicit assignment: '695 cm-1 are -C-S- vibration'”
Afreen 等 - 2017 - A novel multicopper oxidase (laccase) from cyanoba DOI: 10.1371/journal. -
N h 信心 0.9
“Text: 'three extra peaks at 2928, 1552 and 695 which should be attributed to ... bending vibrations of -NH'”
Shen 等 - 2016 - Manganese Phosphate Self-assembled Nanoparticle Su DOI: 10.1038/srep28989 -
Aromatic ring 信心 0.9
“Explicit assignment in text”
Wang 等 - 2019 - A Facile Synthesis of Core-Shell SiO2@Cu-LBMS Nano DOI: 10.3390/ma12233978 -
信心 0.9
“Explicitly assigned to α-quartz photon band.”
Yamamoto 等 - 2010 - FTIR observation of compression recovery of the se DOI: 10.1088/1742-6596/215/1/012155 -
信心 0.8
“Band assigned to kaolinite impurity”
Khodosova 等 - 2022 - Magnetic Nanosorbents Based on Bentonite and CoFe2 DOI: 10.3390/min12111474 -
Metal hydroxyl 信心 0.8
“Bands below 1000 cm-1 attributed to vibrations of Al-OH and Al-O groups”
Klapiszewska 等 - 2019 - Production of cement composites using alumina-lign DOI: 10.5277/ppmp19058
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