What absorbs at 1431 cm⁻¹ in an FTIR spectrum?
A band near 1431 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 |
|---|---|---|---|
| Alkyl C-H | 2 | 2 | 0.95 |
| Carbonate | 1 | 1 | 0.9 |
| Phosphate (PO4) | 1 | 1 | 0.9 |
| N-O bond | 1 | 1 | 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
“Explicit assignment: 'strong band at 1431 cm-1 from stretching vibrations' of CO group in calcite”
Prieto-Vicioso 等 - 2022 - CHARACTERIZATION OF LIME MORTAR AND PLASTERS OF FO DOI: 10.17222/mit.2022.525 -
Alkyl C-H 置信度 0.95
“Explicit: 'C-H bending vibration at 1431'.”
Zhai 等 - 2020 - Preparation, Characterization of Propargyl Termina DOI: 10.3390/polym12040748 -
Alkyl C-H 置信度 0.9
“Explicit assignment in text”
Mahardiani 等 - 2022 - Nanofiber Fabrication from Palm Fiber Waste for Su DOI: 10.48317/IMIST.PRSM/morjchem-v10i2.32648 -
置信度 0.9
“Text: 'aromatic C=C chains (1431-1440 cm-1)'”
Hou 等 - 2017 - Distribution and Thermal Maturity of Devonian Carb DOI: 10.1155/2017/4580416 -
N-O bond 置信度 0.9
“Explicit assignment in text: 'Major peaks were observed at 1526cm-1 and 1431cm-1 due to N-O asymmetric stretching.'”
Krishnatreyya 等 - 2019 - Piroxicam Loaded Solid Lipid Nanoparticles (SLNs) DOI: 10.5530/ijper.53.2s.52 -
Phosphate (PO4) 置信度 0.9
“Explicit assignment in text: 'symmetric phosphate stretching 2- cm-1'”
Theophilou 等 - 2016 - ATR-FTIR spectroscopy coupled with chemometric ana DOI: 10.1039/c5an00939a -
Carbonate 置信度 0.9
“Band at 1431 cm-1 attributed to carbonate”
Turki 等 - 2022 - Environmental Application of Acid Activated Kaolin DOI: 10.21203/rs.3.rs-809851/v1 -
置信度 0.8
“Text: 'sharp peaks at 1431 and 1213 indicated C-C str'”
Patil 等 - 2017 - Instant green synthesis of silver-based herbo-meta DOI: 10.1007/s13205-016-0589-1)
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