What absorbs at 446 cm⁻¹ in an FTIR spectrum?
A band near 446 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
가능한 작용기 할당
| 작용기 | 지원 사실 | 인용 출처 | 최고 신뢰도 |
|---|---|---|---|
| Metal oxygen | 4 | 4 | 1.0 |
| Silicon-oxygen (Si-O) | 2 | 2 | 1.0 |
| Silicon (Si) | 2 | 2 | 1.0 |
| Lignin | 1 | 1 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| Protein | 1 | 1 | 1.0 |
| Metal oxo | 1 | 1 | 1.0 |
| Siloxane (Si-O-Si) | 1 | 1 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 1.0 |
| Ring structure | 1 | 1 | 1.0 |
순위는 단일 권위 규칙이 아닌 축적된 문헌 증거를 반영합니다. 항상 샘플 상황에 대해 확인하세요.
이 할당의 배경이 되는 문헌
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Silicon-oxygen (Si-O) 신뢰도 1.0
“The pH value of 2 1200cm-1 shoulder at due to Si O bond stretching vibrathe mixture was adjusted to between 1 and 2 using nitric 446cm-1 tion and at 816 and due to ring structure of Si O”
Qiu 等 - 2006 - Microstructure and optical properties of nanocryst DOI: 10.1016/j.matchemphys.2005.07.016 -
Metal oxygen 신뢰도 1.0
“LLM confirmed rule peak-group candidate”
Preparation and characterization of doubly substituted microwave absorbing material by sol-gel technique for super high frequency applications DOI: 10.1016/j.pnsc.2017.11.001 -
Silicon (Si) 신뢰도 1.0
“The FTIR cm-1 cm-1, analysis showed two sharp peaks at 446 and 1056 indicative of the Si-O rocking mode and Si-O-Si stretching mode functional groups present.”
Nanostructured Silicon Derived from an Agricultural Residue Bagasse Ash via Magnesiothermic Reduction Method DOI: 10.3390/coatings13020221 -
Metal oxygen 신뢰도 1.0
“Band assignment table for bands observed in FTIR spectra (cm-1) Band position Band assignments ~446 Bending vibrations of V-O-V bonds Bi-O bonds in distorted [BiO 6] octahedral units”
Synthesis, thermal and spectroscopic characterization of lithium bismuth borate glasses containing mixed transition metal ions DOI: 10.13036/17533562.57.3.018 -
Protein 신뢰도 1.0
“446 cm-1 absorption associated to proteins is the most changing of FTIR values observed for all The 1540 447 A.”
Valorisation of wheat bran to produce natural pigments using selected microorganisms DOI: 10.1016/j.carres.2013.08.015 -
신뢰도 1.0
“three bands at 446 426 and 401 These lines are related to the Zn-O vibrations [10].”
Ivanova 等 - 2020 - Deposition and study of N-In co-doped sol-gel ZnO DOI: 10.1088/1742-6596/1492/1/012027 -
Metal oxygen 신뢰도 1.0
“LLM confirmed rule peak-group candidate”
Antibacterial Activity of TiO2 Nanoparticles Prepared by One-Step Laser Ablation in Liquid DOI: 10.3390/app11104623 -
Alkyl C-H 신뢰도 1.0
“and bands at 721 related to the CH rocking 446 2 vibration of cis-di-substituted olefins [9, 37].”
Kharbach 等 - 2021 - New insights into the Argan oil categories charact DOI: 10.1016/j.talanta.2020.122073
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