What absorbs at 1056 cm⁻¹ in an FTIR spectrum?
A band near 1056 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 |
|---|---|---|---|
| C-O single bond | 2 | 2 | 0.9 |
| Phosphate (PO4) | 2 | 1 | 0.9 |
| Siloxane (Si-O-Si) | 1 | 1 | 0.95 |
| Hydroxyl (O-H) | 1 | 1 | 0.9 |
| Ester | 1 | 1 | 0.6 |
| S eq o | 1 | 0 | 0.7 |
순위는 단일 권위 규칙이 아닌 축적된 문헌 증거를 반영합니다. 항상 샘플 상황에 대해 확인하세요.
이 할당의 배경이 되는 문헌
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Siloxane (Si-O-Si) 신뢰도 0.95
“Explicit assignment in text: 'two sharp peaks at 446 and 1056 indicative of the Si-O rocking mode and Si-O-Si stretching mode'”
Seroka 等 - 2023 - Nanostructured Silicon Derived from an Agricultura DOI: 10.3390/coatings13020221 -
C-O single bond 신뢰도 0.9
“Explicitly assigned to C-O stretching vibrations.”
STGERMAIN 和 GRAY - 1987 - PHOTOACOUSTIC FOURIER-TRANSFORM INFRARED SPECTROSC DOI: 10.1080/02773818708085251 -
신뢰도 0.9
“Explicit assignment: '1056 was due to the C-O absorption peak of secondary -OH group'”
Tran 等 - 2018 - Radiation synthesis and characterization of super- DOI: 10.1016/j.envpol.2018.07.129 -
신뢰도 0.9
“Assigned to free ions.”
Pongsuk 和 Pumchusak - 2022 - Effect of Ultrasonication on the Morphology, Mecha DOI: 10.3390/polym14183710 -
Phosphate (PO4) 신뢰도 0.9
“stretching bands, O-P-O bending”
Raj 等 - 2022 - Tannic Acid-Loaded Hydroxyapatite Carriers for Cor DOI: 10.3390/app122010263 -
Hydroxyl (O-H) 신뢰도 0.9
“Explicit assignment: loss of band at 1056 responsible for stretching vibrations of hydroxyl group.”
Worzakowska - 2014 - Thermal properties of citronellyl diesters DOI: 10.1007/s10973-014-3945-6 -
C-O single bond 신뢰도 0.7
“Snippet: 'C-O-C groups; and near 1056 identified as'”
Han 等 - 2023 - Fourier Transform Infrared Spectrometry Detection DOI: 10.1021/acsomega.2c05933 -
Ester 신뢰도 0.6
“peak at 1055.84 coul (likely ester)”
Kurniawan 等 - 2014 - Isotherm and Kinetic Modeling of Pb(II) and Cu(II) DOI: 10.14233/ajchem.2014.16515
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