What absorbs at 1045 cm⁻¹ in an FTIR spectrum?
A band near 1045 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 |
|---|---|---|---|
| Phosphate (PO4) | 3 | 3 | 0.9 |
| C-O single bond | 3 | 2 | 0.95 |
| Alkyl C-H | 2 | 2 | 0.9 |
| C c single bond | 1 | 1 | 0.9 |
| Siloxane (Si-O-Si) | 1 | 1 | 0.9 |
| Boron nitrogen | 1 | 1 | 0.9 |
| Hydroxyl (O-H) | 1 | 1 | 0.8 |
| C n single bond | 1 | 0 | 0.9 |
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
-
置信度 1.0
“strong peak centred at 1035-1045 cm-1 υ (transverse optical mode TO as-Si-O-Si)”
Swann 和 Patwardhan - 2011 - Application of Fourier Transform Infrared Spectros DOI: 10.5194/cp-7-65-2011 -
置信度 0.95
“Explicit assignment: 'the CA peaks found at 1045 cm-1'”
Peixoto 等 - 2020 - Synthesis and Characterization of Novel Integral A DOI: 10.3390/membranes10090195 -
置信度 0.9
“Peak representing crystalline character of starch.”
Dupuis 等 - 2017 - Physicochemical properties and in vitro digestibil DOI: 10.1016/j.lwt.2017.07.010 -
Phosphate (PO4) 置信度 0.9
“Same as above”
Oliveira 等 - 2009 - Comparison of calcium CPP, HAp and TeCP phosphates DOI: 10.4028/www.scientific.net/KEM.396-398.557 -
Alkyl C-H 置信度 0.9
“Text: 'C-CH vibration of polylactide appeared at 1130 and 1045'”
Saetae 和 Magaraphan - 2015 - Synthesis and study of sericin-g-PLA DOI: 10.1063/1.4918510 -
置信度 0.9
“Explicit assignment in text.”
Andanson 等 - 2009 - In situ permeation study of drug through the strat DOI: 10.1117/1.3130324(cid:4) -
Alkyl C-H 置信度 0.9
“Bands at 1045 assigned to rocking CH vibrations”
Belhadj 等 - 2016 - Pathways of the photocatalytic reaction of acetate DOI: 10.1016/j.jcat.2016.08.006 -
Boron nitrogen 置信度 0.9
“Explicitly assigned to c-BN Restrahlen band.”
Chakrabarty 等 - 2021 - Bias-Enhanced Formation of Metastable and Multipha DOI: 10.3390/ma14237167
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