What absorbs at 1186 cm⁻¹ in an FTIR spectrum?
A band near 1186 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 4 cited sources
가능한 작용기 할당
| 작용기 | 지원 사실 | 인용 출처 | 최고 신뢰도 |
|---|---|---|---|
| Lignin | 1 | 1 | 1.0 |
| Alkene (C=C) | 1 | 1 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Oxygen heterocycle | 1 | 1 | 1.0 |
| C-O single bond | 1 | 1 | 1.0 |
| Carbohydrate | 1 | 0 | 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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C-O single bond 신뢰도 1.0
“LLM confirmed rule peak-group candidate”
Muljana 等 - 2022 - Cross-Linking of Polypropylene via the Diels-Alder DOI: 10.3390/polym14061176 -
Hydroxyl (O-H) 신뢰도 1.0
“the In-O stretching vibration modes are usually observed in the region of 800-300 We T cm-1 can also recognize absorption band at 1186 related to In-O-H bending vibration [34].”
Yahia 等 - 2019 - Structural, optical, morphological and electrical DOI: 10.1016/j.surfin.2018.12.012 -
Alkene (C=C) 신뢰도 1.0
“In the FTIR spectrum of rGO-TEPA, few representative peaks were identified at 1654, In the FTIR spectrum of rGO-TEPA, few representative peaks were identified at 1654, 1561, 1443, and 1186 cm-1, which can be attributed to the C=C stretching”
Cojocaru 等 - 2022 - Electrospun Nanofibrous Membranes Based on Citric DOI: 10.3390/polym14020294 -
Lignin 신뢰도 1.0
“the inner finger-print average (1586-1186 To determine the ratio for the lignin peak, the average of the inner fingerprint range of To determine the ratio for the lignin peak, the average of the inner fingerprint range cm-1 cm-1 spectra fro”
Analysis of the Natural Aging of Silver Fir (Abies alba Mill.) Structural Timber Using Dendrochronological, Colorimetric, Microscopic and FTIR Techniques DOI: 10.3390/f14071363
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