What absorbs at 2892 cm⁻¹ in an FTIR spectrum?
A band near 2892 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 5 cited sources
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| Alkyl C-H | 4 | 4 | 1.0 |
| Hydroxyl (O-H) | 1 | 1 | 1.0 |
| Carbohydrate | 1 | 1 | 1.0 |
排名反映了累积的文献证据，而非单一的权威规则。请始终对照您的样品背景进行确认。
这些分配背后的文献
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Alkyl C-H 置信度 1.0
“3 2 cm-1 Consent for publication respectively..Bands near 3425 (O-H stretching vibraAll authors are willing to submit the article in the journal and they have no cm-1 tion) and peak at 2892 was due to the C-H stretching conflict of interest”
Hanif 和 Zaman - 2017 - Thiolation of arabinoxylan and its application in DOI: 10.1186/s40199-017-0172-2 -
Carbohydrate 置信度 1.0
“3343cm-1 2892cm-1 2y¼15(cid:2) untreated samples shows three distinct peaks at (cellulose I) to (cela peak shift at (10(cid:2) 17(cid:2) lulose II)-related gOH.”
Khajavi 等 - 2013 - Alkali treatment of cotton yarns with ultrasonic b DOI: 10.1177/0040517512467077 -
Alkyl C-H 置信度 1.0
“7b Absorption band Band assignment a 3340 ± 5 O-H stretching b 2892 ± 5 C-H stretching c 1645 ± 5 water bending vibrations d 1376 ± 1 C-H bending e 1002-1029 C-O at C3;”
A turning point in the bacterial nanocellulose production employing low doses of gamma radiation DOI: 10.1038/s41598-022-11010-4 -
Alkyl C-H 置信度 1.0
“LLM confirmed rule peak-group candidate”
Pearl-white gallstones: A report of a case and a chemical analysis by FTIR and XRD DOI: 10.1016/j.ijscr.2021.106449 -
Alkyl C-H 置信度 1.0
“As can be seen, the intensity cm-1 cm-1 the typical absorption bands of wood (2892 for C-H stretching vibration, 1734 of the typical absorption bands of wood (2892 cm-1 for C-H stretching vibration, 1734 cm-1”
Deposition of Zinc Oxide Coatings on Wood Surfaces Using the Solution Precursor Plasma Spraying Process DOI: 10.3390/coatings11020183
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