What absorbs at 1234 cm⁻¹ in an FTIR spectrum?
A band near 1234 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
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 |
|---|---|---|---|
| C-O single bond | 4 | 4 | 1.0 |
| Amide | 1 | 1 | 0.9 |
| Phosphate (PO4) | 1 | 1 | 0.9 |
| Acetyl | 1 | 1 | 0.9 |
| C n single bond | 1 | 1 | 0.8 |
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
-
C-O single bond 置信度 1.0
“Text: '1234 (δ C-O-H)'”
Piorecka 等 - 2020 - Hydrophilic Polyhedral Oligomeric Silsesquioxane, DOI: 10.3390/ma13235512 -
C-O single bond 置信度 0.9
“Explicit assignment in text”
Chieng 等 - 2017 - Isolation and Characterization of Cellulose Nanocr DOI: 10.3390/polym9080355 -
Acetyl 置信度 0.9
“Explicit assignment in text.”
Adebajo 等 - 2006 - Raman spectroscopic investigation of acetylation o DOI: 10.1016/j.saa.2005.07.045 -
Phosphate (PO4) 置信度 0.9
“Text: 'phosphodiester bands of DNA at ~1234 and 1225'”
Al-Jorani 等 - 2018 - The Application of ATR-FTIR Spectroscopy and the R DOI: 10.3390/s18124297 -
Amide 置信度 0.9
“Explicit assignment: 'Amide III peak centered at 1234'.”
Callone 等 - 2016 - Processing Influence on Molecular Assembling and S DOI: 10.1021/acsbiomaterials.5b00507 -
C-O single bond 置信度 0.9
“Explicitly stated in text.”
Jimoh 和 Usman - 2021 - DOI: 10.4152/pea.202102105 -
C-O single bond 置信度 0.9
“Text: '1234 and 1086 corresponding to the stretching C-O and (C-O)-C-OH'”
Rodrigues de Barros Vinhal 等 - 2021 - GelatinePVA copolymer film incorporated with quer DOI: 10.1007/s13197-020-04853-0 -
置信度 0.8
“Explicitly stated: second and third peaks centered at ca. 1415, 1374 and 1234 cm-1; CELC to total CHO area ratio.”
Xin 和 Yu - 2013 - Using ATR-FTIR to detect carbohydrate-related mol DOI: 10.1016/j.saa.2013.05.056
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