What absorbs at 495 cm⁻¹ in an FTIR spectrum?
A band near 495 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 | 3 | 1.0 |
| Siloxane (Si-O-Si) | 2 | 2 | 1.0 |
| Silicon-oxygen (Si-O) | 2 | 2 | 1.0 |
| Silicon (Si) | 2 | 2 | 1.0 |
| Alkyl C-H | 1 | 1 | 1.0 |
| C c single bond | 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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Metal oxygen 신뢰도 1.0
“The value of energy band infrared spectroscopy (FTIR) spectra show that Fe-O stretching peaks appears at ~ 495 0C respectively.”
Singh 等 - 2016 - Effect Of Grain Size On Optical Properties Of Iron DOI: 10.1063/1.4946460 -
신뢰도 1.0
“Calibrated glass apparatuses were used for cm-1 peak at 495 for the S-O bending vibration (υ 4) was chosen”
Verma 和 Deb - 2007 - Single-drop and nanogram level determination of su DOI: 10.1021/jf071344c -
Metal oxygen 신뢰도 1.0
“The stretching mode of the Zn-O bond is given at 495 cm-1.”
Successive Photocatalytic Degradation of Methylene Blue by ZnO, CuO and ZnO/CuO Synthesized from Coriandrum sativum Plant Extract via Green Synthesis Technique DOI: 10.3390/cryst13020281 -
C c single bond 신뢰도 1.0
“indazole C-C stretch 495.3 vs with C-H in-plane bend tert-butyl 1490 1521 1490 Asymmetric in-plane bend of C-H;”
Comprehensive analytical and structural characteristics of methyl 3,3-dimethyl-2-(1-(pent-4-en-1-yl)-1H-indazole-3-carboxamido)butanoate (MDMB-4en-PINACA) DOI: 10.1007/s11419-021-00573-y -
Silicon (Si) 신뢰도 1.0
“solutions of pH 4.00 and 7.00 at room temperature and pH The resultant peaks 495, 716, 1007, 1485 and 3768 cm-1 values have been recorded during different time periods at a associated with a Si-O-Si symmetric IR spectra at 495 cm-1 fixed ti”
Vyas 等 - 2016 - Effect of nickel oxide substitution on bioactivity DOI: 10.1007/s12034-016-1242-7 -
Silicon (Si) 신뢰도 1.0
“From curve (b), a peak at 495 was attributed to Si-O-Si bending from dehydration and condensation, was observed.”
Yu 等 - 2015 - Synthesis of PMMAPolysiloxane Core-Shell Latex DOI: 10.1051/matecconf/20152502004 -
Metal oxygen 신뢰도 0.8
“Text: 'peaks ranging 495cm-1 550cm-1 between ... due to Cu-O stretching vibrations'”
Investigation of large Seebeck effect by charge mobility engineering in CuAlO2 thin films grown on Si substrate by thermal evaporation DOI: 10.1016/j.ceramint.2018.06.263 -
신뢰도 0.8
“Assigned to ν(Sn-O) in region 488-495”
Tributyltin(IV) Butyrate: A Novel Epigenetic Modifier with ER Stress- and Apoptosis-Inducing Properties in Colon Cancer Cells DOI: 10.3390/molecules26165010
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