What absorbs at 778 cm⁻¹ in an FTIR spectrum?
A band near 778 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 7 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-S single bond | 1 | 1 | 1.0 |
| Boron nitrogen | 1 | 1 | 1.0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 0.9 |
| Metal oxygen | 1 | 1 | 0.9 |
| Alkyl C-H | 1 | 1 | 0.8 |
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
-
Boron nitrogen 信心 1.0
“small band at ~778 attributed to out-of-plane bending vibration of B-N and B-N-B bonds”
Jalaly 等 - 2017 - A novel, simple and rapid route to the synthesis o DOI: 10.1038/s41598-017-03794-7 -
C-S single bond 信心 1.0
“Sharp band at 778 cm-1 due to bending vibration (C-S).”
Umar 等 - 2022 - Polythiophenemultiwalled carbon nanotubesnitrate DOI: 10.2166/ws.2022.334 -
信心 0.9
“Explicit assignment: '778 due to NH out of plane bending of the CNH'”
Akram 等 - 2022 - How to Improve Solubility and Dissolution of Irbes DOI: 10.3390/pharmaceutics14112264 -
Metal oxygen 信心 0.9
“Attributed to stretching vibrations of Bi-O.”
Mera 等 - 2014 - Solvothermal synthesis of BiOI microspheres Effec DOI: 10.1016/j.jphotochem.2014.05.015 -
Silicon-oxygen (Si-O) 信心 0.9
“Band at 778 cm-1 attributed to quartz”
Turki 等 - 2022 - Environmental Application of Acid Activated Kaolin DOI: 10.21203/rs.3.rs-809851/v1 -
Alkyl C-H 信心 0.8
“CH appeared at around 778 cm-1.”
Ganash - 2019 - Comparative Evaluation of Anticorrosive Properties DOI: 10.3390/ma12183013 -
信心 0.7
“Signals among phyllosilicates and alkali feldspar.”
Tanthanuch 等 - 2023 - Artefacts from Ban Chiang, Thailand Pre-metal Age DOI: 10.1515/zkri-2023-0015
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