What absorbs at 449 cm⁻¹ in an FTIR spectrum?
A band near 449 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 |
|---|---|---|---|
| Metal oxygen | 4 | 4 | 1.0 |
| N h | 2 | 2 | 1.0 |
| Amino acid | 1 | 1 | 1.0 |
| Secondary amine | 1 | 1 | 1.0 |
| C n single bond | 1 | 1 | 1.0 |
| Amide | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 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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आत्मविश्वास 1.0
“The two strong peaks 449 and 552 corresponds to O-Fe-O bending vibrations and Fe-O stretching vibrations, present in the octahedral FeO group which is 6 consistent with that reported by Liu et al [42].”
Investigation of Structural, Optical, Dielectric and Magnetic studies of Mn substituted BiFeO3 Multiferroics DOI: 10.1016/j.ceramint.2017.07.088 -
आत्मविश्वास 1.0
“1500 tional mode at 1609 Both the frequency and the 448 420 reveal the loss of aromatic character at the benzenoid positive character of this clear-cut band agree with the 449 421 rings and their transformation into quinoid centers as disap”
Benyoucef 等 - 2005 - Synthesis and in situ MRS characterization of cond DOI: 10.1016/j.eurpolymj.2004.10.047 -
आत्मविश्वास 1.0
“Therefore, infrared spectra in the region of 4000-2750 showed 448 cm-1 diclofenac bands at 3388 and 2357 assigned to free and bound N-H stretching, 449 (N-H....O) respectively, the latter through intramolecular hydrogen bonds (Kovala-Demert”
Franca 等 - 2020 - Monitoring diclofenac adsorption by organophilic a DOI: 10.1016/j.envpol.2013.04.012 -
Hydroxyl (O-H) आत्मविश्वास 1.0
“Fritsch et al.: OH stretching vibrations in serpentines 449”
Fritsch 等 - 2021 - Structural, textural, and chemical controls on the DOI: 10.5194/ejm-33-447-2021 -
Metal oxygen आत्मविश्वास 1.0
“The absorption band at 449 cm-1 proves that Zn-O was formed sucsponds to the C-N stretch of amino acids [34].”
Minhas 等 - 2023 - Green Synthesis of Zinc Oxide Nanoparticles Using DOI: 10.3390/catal13030549 -
Metal oxygen आत्मविश्वास 1.0
“3399 and 3615 Al-O bonds had a symmetric vibration peak cm-1, at 449, 517, and 1080 while Si-O bonds showed symmetric Figure 6.”
Sola 和 Ozyazgan - 2019 - Analyses of cement mortars containing reclaimed as DOI: 10.14256/JCE.1607.2016 -
आत्मविश्वास 0.95
“Explicit: 'Bands at 537 and 449 cm-1 were also observed and are attributed to the tetrahedral sites'”
da Silva 等 - 2020 - From Disposal to Reuse Production of Sustainable DOI: 10.3390/su122310159 -
Metal oxygen आत्मविश्वास 0.7
“Text: 'A large descending spectrum is related to Zn-O' near peak 449 cm-1.”
Facile fabrication of Zn/Zn5(OH)8Cl2·H2O flower-like nanostructure on the surface of Zn coated with poly (N-methyl pyrrole) DOI: 10.1016/j.apsusc.2011.07.046
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.
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