What absorbs at 660 cm⁻¹ in an FTIR spectrum?
A band near 660 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 | 1 | 1 | 0.9 |
| Carbohydrate | 1 | 1 | 0.9 |
| Siloxane (Si-O-Si) | 1 | 1 | 0.9 |
| Hydroxyl (O-H) | 1 | 1 | 0.8 |
| Silicon-oxygen (Si-O) | 1 | 1 | 0.8 |
| N 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 0.95
“Text: 'vibration peak at 660 associated with the characteristic Ti-O-Ti bond'”
Someswararao 等 - 2018 - Electrospinning process parameters dependent inves DOI: 10.1016/j.rinp.2018.08.054 -
Siloxane (Si-O-Si) 信心 0.9
“Explicit assignment: 'absorbance peak around cm-1 corresponds to the bending and stretching of 660, 420 (Si-O-Si) the siloxane bonds'”
Awad 等 - 2023 - An attempt to apply laser combustion to palm waste DOI: 10.1051/jeos/2023003 -
Carbohydrate 信心 0.9
“Text: 'bands attributed to cellulose at ... 660 cm-1'”
Spear 和 Broda - 2020 - Comparison of Contemporary Elm (Ulmus spp.) and De DOI: 10.3390/ma13215026 -
C-O single bond 信心 0.9
“Snippet: 'The peak at 660 and cm-1 800 represents the stretching of C-O bond'”
Yang 等 - 2015 - Improved Dissolution Behavior of Aceclofenac Loadi DOI: 10.7317/pk.2015.39.1.6 -
Silicon-oxygen (Si-O) 信心 0.8
“typical of Bentonite clays”
Almeida 等 - 2017 - PHBBentonite Compounds. Effect of Clay Modificati DOI: 10.1590/1980-5373-MR-2016-0577 -
Hydroxyl (O-H) 信心 0.8
“band at 660 attributed to OH groups”
Starowicz 等 - 2014 - Alumina-based nanoparticles obtained by anodic dis DOI: 10.1007/s10008-014-2447-6 -
N h 信心 0.7
“NH and NH2 wagging asymmetric stretch”
Elbasuney 和 El-Sherif - 2017 - Instant detection and identification of concealed DOI: 10.1016/j.forsciint.2016.11.036 -
信心 0.5
“Text: 'amorphous cellulose (weak pe' likely referring to 660 cm-1”
Aryal 等 - 2022 - Material Properties of Traditional Handmade Paper DOI: 10.1021/acsomega.2c04398
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