What absorbs at 2909 cm⁻¹ in an FTIR spectrum?
A band near 2909 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
संभाव्य कार्यात्मक-गट नियुक्त्या
| कार्यात्मक गट | समर्थन करणारी तथ्ये | उद्धृत स्रोत | सर्वोच्च आत्मविश्वास |
|---|---|---|---|
| Alkyl C-H | 7 | 7 | 1.0 |
| Amide | 3 | 3 | 1.0 |
| Methacrylate | 2 | 2 | 1.0 |
| Ketone | 2 | 2 | 1.0 |
| Ester | 2 | 2 | 1.0 |
| Carboxyl (COOH) | 2 | 2 | 1.0 |
| Carbonyl (C=O) | 2 | 2 | 1.0 |
| Acetate | 2 | 2 | 1.0 |
| Hydroxyl (O-H) | 2 | 2 | 1.0 |
| Secondary amine | 1 | 1 | 1.0 |
| C n single bond | 1 | 1 | 1.0 |
| Carbonate | 1 | 1 | 1.0 |
| Hydrogen bond | 1 | 1 | 1.0 |
रँकिंग संचित साहित्य पुरावा प्रतिबिंबित करते, एकच अधिकृत नियम नाही. नेहमी तुमच्या नमुना संदर्भाविरुद्ध पुष्टी करा.
या नियुक्त्यांमागील साहित्य
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Hydrogen bond आत्मविश्वास 1.0
“The band 2909cm-1 at is due to carbon-hydrogen bond (C-H) stretching vibration.”
Eliza 等 - 2015 - Carboxymethyl Cellulose (CMC) from Oil Palm Empty DOI: 10.1088/1742-6596/622/1/012026 -
Carbonate आत्मविश्वास 1.0
“The low intensity bands at 2909 probably corresponding to carbonate C=O group from cm-1 carbonate ion.”
Characterization of quicklime as raw material to hydrated lime: Effect of temperature on its characteristics DOI: 10.1063/1.5066668 -
Alkyl C-H आत्मविश्वास 1.0
“LLM confirmed rule peak-group candidate”
Gonultas 和 Candan - 2018 - CHEMICAL CHARACTERIZATION AND FTIR SPECTROSCOPY OF DOI: 10.4067/S0718-221X2018005031301 -
Hydroxyl (O-H) आत्मविश्वास 1.0
“3458 3557 OH stretching 2909 2944 CH stretching of CH and CH groups 2 3 COOH-O-H bending of absorbed water and/or C=O stretching of amid/or asymmetrical”
Heidarieh 等 - 2014 - Preparation and anatomical distribution study of G DOI: 10.2478/nuka-2014-0019 -
Amide आत्मविश्वास 1.0
“3 968 C-N stretching - 2909 -CH Vibrations 3 1000”
Origin of Defects and Positron Annihilation in Hybrid and All-Inorganic Perovskites DOI: 10.1021/acs.chemmater.1c03540 -
Alkyl C-H आत्मविश्वास 1.0
“The peak at 2909 for the pure GG is assigned to the antisymmetric and symmetric C-H stretching vibrations of the methylene hydroxyl groups (-CH 2OH) [12,14,17,18].”
Guar Gum as an Eco-Friendly Corrosion Inhibitor for Pure Aluminium in 1-M HCl Solution DOI: 10.3390/ma12162620 -
Alkyl C-H आत्मविश्वास 1.0
“LLM confirmed rule peak-group candidate”
Radioactive Cobalt(II) Removal from Aqueous Solutions Using a Reusable Nanocomposite: Kinetic, Isotherms, and Mechanistic Study DOI: 10.3390/ijerph14121453 -
Acetate आत्मविश्वास 1.0
“of methyl and methylene (2909 the O-C=O stretching vibration of -COOH (1638 the C-O-C cm-1);”
Enhanced heavy metal removal from an aqueous environment using an eco-friendly and sustainable adsorbent DOI: 10.1038/s41598-020-73570-7
या बँडसह स्पेक्ट्रम आहे का?
तुमचे FTIR स्पेक्ट्रम अपलोड करा आणि सेकंदात पूर्ण व्याख्या अहवाल मिळवा — साहित्य संदर्भांसह शिखर नियुक्त्या, लायब्ररी मॅचेस, आणि आत्मविश्वास-रेट केलेली पुरावा साखळी.
माझ्या स्पेक्ट्रमचे व्याख्या करा