What absorbs at 488 cm⁻¹ in an FTIR spectrum?
A band near 488 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 7 cited sources
가능한 작용기 할당
| 작용기 | 지원 사실 | 인용 출처 | 최고 신뢰도 |
|---|---|---|---|
| Metal oxygen | 2 | 2 | 1.0 |
| Phosphate (PO4) | 1 | 1 | 1.0 |
| Carboxyl (COOH) | 1 | 1 | 1.0 |
| Silicon-oxygen (Si-O) | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 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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신뢰도 1.0
“peak at ~488 due to Zn-O stretching mode.”
Chakraborty 等 - 2012 - ZnOTi Thin Film Synthesis, Characterization and DOI: 10.1088/1742-6596/390/1/012065 -
Hydroxyl (O-H) 신뢰도 1.0
“The Mn doping has in900 which correspond to strain vibration of O-H group of duced a change of particle shape, from the typical rod-like one 900 which correspond to strain vibration of O-H group of duced a change of particle shape, from the”
Harsono 等 - 2017 - Paramagnetic Zn(1-x)MnxO (0.00≤x≤0.06) Nanopar DOI: 10.4313/TEEM.2017.18.1.46 -
신뢰도 1.0
“Vibrations(cm-1) Assignment 488 Si O SirockingvibrationinLOmode 522 LowerfrequencySi Ovibration”
Jana 等 - 2008 - Non-hydrolytic sol-gel synthesis of epoxysilane-ba DOI: 10.1016/j.matchemphys.2008.06.070 -
Carboxyl (COOH) 신뢰도 1.0
“The equivalent carboxyl group peaks in 488 (1:100) U.K.) in 1% BSA in PBS, was cm-1, respectively18 pure Tar are observed at 1550 and 1740 consequently added to the samples and incubated for 1 h at room confirms temperature followed by anot”
Chiral Tartaric Acid Improves Fracture Toughness of Bioactive Brushite–Collagen Bone Cements DOI: 10.1021/acsabm.0c00555 -
Phosphate (PO4) 신뢰도 1.0
“The strong adsorption band at around 1125 cm-1 was ascribed to an asymmetric P-O-Al stretching vibration, and the one at 488 cm-1 was assigned to symmetrical P-O-Al deformation vibration [38,39];”
Efficient and Stable O-Methylation of Catechol with Dimethyl Carbonate over Aluminophosphate Catalysts DOI: 10.3390/catal13010150 -
신뢰도 0.9
“Explicit assignment in text.”
Magnetic Properties of MFeCrO4 (M = Co/Ni) Prepared by Solution Combustion Method DOI: 10.1007/s10948-019-5080-x -
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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