What absorbs at 2858 cm⁻¹ in an FTIR spectrum?
A band near 2858 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
संभावित कार्यात्मक-समूह असाइनमेंट
| कार्यात्मक समूह | समर्थन तथ्य | उद्धृत स्रोत | शीर्ष विश्वास |
|---|---|---|---|
| Alkyl C-H | 5 | 5 | 1.0 |
| Carbohydrate | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
रैंकिंग संचित साहित्य साक्ष्य को दर्शाती है, एक एकल आधिकारिक नियम नहीं। हमेशा अपने नमूना संदर्भ के खिलाफ पुष्टि करें।
इन असाइनमेंट के पीछे का साहित्य
-
Alkyl C-H विश्वास 1.0
“vibration is identified at 3471 The characteristic peaks of C-H stretching and cm-1, anti-symmetric stretching vibrations are assigned at 2858 and 2943 respeccm-1 cm-1 tively.”
Thermal degradation and crystallization kinetics studies on synthesized calcium mercaptosuccinate end-capped poly(ε-caprolactone) nanocomposite DOI: 10.1007/s00289-018-2614-5 -
Hydroxyl (O-H) विश्वास 1.0
“LLM confirmed rule peak-group candidate”
A Parametric Study on a Diesel Engine Fuelled Using Waste Cooking Oil Blended with Al2O3 Nanoparticle—Performance, Emission, and Combustion Characteristics DOI: 10.3390/su13137195 -
Alkyl C-H विश्वास 1.0
“The ν(C-H)asym (at 2936 cm-1) band shows positive correlation peaks, while the ν(C-H)sym (at 2858 cm-1) band exhibits negative ones (Figure 5a).”
Drzewicz 等 - 2020 - Vibrational Dynamics of a Chiral Smectic Liquid Cr DOI: 10.3390/cryst10080655 -
Alkyl C-H विश्वास 1.0
“cm-1 cm-1) In fact, the appearance of additional bands (2858 and 2929 can be as- (-CH signed to the representative groups of DDA: asymmetric stretching vibrations 2) and (-CH symmetric 2) vibrations of the methylene groups, respectively [43”
Efficient Adsorption of Chromium Ions from Aqueous Solutions by Plant-Derived Silica DOI: 10.3390/molecules27134171 -
Alkyl C-H विश्वास 1.0
“cm(cid:3)1,28,35,36 composites.35,38 at 3427 asymmetric CH stretching at 2938 Thus, the NCO intensity decreases with the 2 cm(cid:3)1,28,35 cm(cid:3)1,35,37 O-CH March increase in the BG amount because of the formation of PU and symmetric C”
Polyurethane/58S bioglass nanofibers: synthesis, characterization, and in vitro evaluation DOI: 10.1039/c5ra24786a -
Alkyl C-H विश्वास 1.0
“near doublets is indicative of a loss of the crystal structure of In total reflection mode, all acquired mid-IR spectra hydrocarbon chains during the bulk sample preparation (Figure 3) exhibit sharp maxima of the CH2 stretching bands 2858cm”
Invernizzi 等 - 2018 - Mid and Near-Infrared Reflection Spectral Database DOI: 10.1155/2018/7823248
क्या इस बैंड के साथ कोई स्पेक्ट्रम है?
अपना FTIR स्पेक्ट्रम अपलोड करें और सेकंड में एक पूर्ण व्याख्या रिपोर्ट प्राप्त करें — साहित्य उद्धरणों, पुस्तकालय मिलानों, और विश्वास-रेटेड साक्ष्य श्रृंखला के साथ शिखर असाइनमेंट।
मेरे स्पेक्ट्रम की व्याख्या करें