What absorbs at 870 cm⁻¹ in an FTIR spectrum?
A band near 870 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 |
|---|---|---|---|
| Carbonate | 3 | 3 | 0.9 |
| Phosphate (PO4) | 1 | 1 | 0.9 |
| C-O single bond | 1 | 1 | 0.9 |
| Carboxyl (COOH) | 1 | 1 | 0.9 |
| Metal oxygen | 1 | 1 | 0.7 |
| Alkyl C-H | 1 | 0 | 0.9 |
| Alkene (C=C) | 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 0.9
“Text: '870 cm-1 (P F3)' for fructose”
Landari 等 - 2018 - Pseudo-Continuous Flow FTIR System for Glucose, Fr DOI: 10.3390/mi9100517 -
Carboxyl (COOH) 置信度 0.9
“Stretching of C-COO”
Gupta 等 - 2018 - Effects of Amphiphilic Chitosan on Stereocomplexat DOI: 10.1038/s41598-018-22281-1 -
置信度 0.9
“Characteristic peak of caged bicyclic phosphate.”
Lai 等 - 2015 - Flame-Retardant and Thermal Degradation Mechanism DOI: 10.1155/2015/360274 -
Carbonate 置信度 0.9
“Same attribution as above.”
Ouallal 等 - 2019 - Kinetic, isotherm and mechanism investigations of DOI: 10.1016/j.heliyon.2019.e01616 -
置信度 0.9
“Text: 'Vibrational assignments around 870, 1395, 1465, and 1792 corresponded to CO ions'”
Radulescu 等 - 2019 - Seasonal Variability in the Composition of Particu DOI: 10.3390/atmos10100595 -
Carbonate 置信度 0.9
“Text states 'carbonate bands at 870 cm-1'.”
Ramirez 等 - 2009 - Structural Properties of Nanostructured Carbonate DOI: 10.4028/www.scientific.net/KEM.396-398.611 -
C-O single bond 置信度 0.9
“Explicit assignment in text”
Verma 等 - 2023 - Reduced graphene OxideNiO based nano-composites f DOI: 10.1016/j.heliyon.2023.e17162 -
Phosphate (PO4) 置信度 0.9
“Attributed to asymmetric stretching of P-O.”
Zou 等 - 2022 - Dispersion of sodium phytate on muscovite and the DOI: 10.37190/ppmp/154951
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