What absorbs at 942 cm⁻¹ in an FTIR spectrum?
A band near 942 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 6 cited sources
Возможные назначения функциональных групп
| Функциональная группа | Подтверждающие факты | Цитируемые источники | Максимальная достоверность |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 1,0 |
| C c single bond | 1 | 1 | 1,0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
| Hydroxyl (O-H) | 1 | 0 | 1,0 |
Ранжирование отражает накопленные литературные данные, а не единственное авторитетное правило. Всегда проверяйте в контексте вашего образца.
Литература, лежащая в основе этих назначений
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Ring structure достоверность 1,0
“Raman Spectra and XPS analysis cm-1 The Figure 2.c.i the Raman spectrum of PPy indicates the ring deformation at 942 cm-1.”
Highly Biological Active Antibiofilm, Anticancer and Osteoblast Adhesion Efficacy from MWCNT/PPy/Pd nanocomposite DOI: 10.1016/j.apsusc.2017.10.142 -
Alkyl C-H достоверность 1,0
“The peak at 942 observed in the Tylose MH 50 composites film control film could be associated with C-H monosubstituted out of plane bending for C-H.”
Mustary 等 - 2023 - Synthesis and Characterization of Biocomposite Fil DOI: 10.33263/BRIAC133.274 -
Alkyl C-H достоверность 1,0
“1634 C = C stretching symmetric stretching 1384 1375 1373 CH 2 C-O 1038 1017 1018 1020 stretching C-H 942 945 945 944 out-of-plane bending”
Premalatha 等 - 2017 - Tamarind seed polysaccharide (TSP)-based Li-ion co DOI: 10.1007/s11581-017-1989-x -
Silicon-oxygen (Si-O) достоверность 1,0
“LLM confirmed rule peak-group candidate”
Thiolated Janus Silsesquioxane Tetrapod: New Precursors for Functional Materials DOI: 10.3390/molecules27227680 -
C c single bond достоверность 1,0
“942 (C-C out-of-plane vibration);”
High-voltage and long-lasting aqueous chlorine-ion battery by virtue of “water-in-salt” electrolyte DOI: 10.1016/j.isci. -
достоверность 1,0
“silicocarnotite by the decrease in intensity of the νSi-OIntensity, (cid:2) 2000 Ca band centered at 942 cm-1 [56].”
Radev 等 - 2009 - OrganicInorganic bioactive materials Part III in DOI: 10.2478/s11532-009-0078-z
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