What absorbs at 900 cm⁻¹ in an FTIR spectrum?
A band near 900 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
可能的官能基指派
| 官能基 | 支持事實 | 引用來源 | 最高信心 |
|---|---|---|---|
| Carbohydrate | 11 | 8 | 0.95 |
| C-O single bond | 5 | 5 | 0.9 |
| Alkene (C=C) | 2 | 2 | 0.9 |
| Alkyl C-H | 2 | 2 | 0.9 |
| Metal oxygen | 2 | 2 | 0.9 |
| Phosphate (PO4) | 2 | 2 | 0.9 |
| Aromatic ring | 2 | 2 | 0.9 |
| C c single bond | 1 | 1 | 0.9 |
| Silicon (Si) | 1 | 1 | 0.8 |
| Carbonate | 1 | 1 | 0.7 |
排名反映累積的文獻證據，而非單一權威規則。請務必根據您的樣品背景進行確認。
這些指派背後的文獻
-
信心 1.0
“Single broad peak spanning 900-1200 indicates amorphous calcium phosphate.”
Ahuja 等 - 2021 - A comparative study on silicon nitride, titanium a DOI: 10.1002/mds3.10139. -
Carbohydrate 信心 0.95
“Explicit assignment.”
Fan 等 - 2022 - Enhanced Saccharification of Purple Alfalfa via Se DOI: 10.3390/pr10010061 -
Carbohydrate 信心 0.9
“Band at 899.95 cm-1 is characteristic of glycosidic bond β-(1→4) cellulose”
Lun 等 - 2017 - Fourier Transform Infrared Spectroscopy (FTIR) ana DOI: 10.1063/1.4981871 -
Aromatic ring 信心 0.9
“Explicit assignment: aromatic C-H bending peaks (900-700 cm-1)”
Russo 等 - 2016 - Analysis of the chemical features of particles gen DOI: 10.1016/j.combustflame.2016.02.003 -
信心 0.9
“explicit assignment”
Yue 等 - 2014 - Preparation of Silica Microspheres Coated by Nano- DOI: 10.4028/www.scientific.net/AMR.924.36 -
C-O single bond 信心 0.9
“C-O-C signal of polysaccharides”
Cointet 等 - 2019 - Lipids in benthic diatoms A new suitable screenin DOI: 10.1016/j.algal.2019.101425 -
信心 0.9
“Jadeite bands between 900 and 1100 cm-1”
Delgado Robles 等 - 2015 - Non-destructive in situ spectroscopic analysis of DOI: 10.1186/s40494-015-0048-z -
C-O single bond 信心 0.9
“Explicit assignment in text: 'peaks appeared at 900 (C-O-C stretching)'”
Eimontas 等 - 2021 - Catalytic Pyrolysis Kinetic Behavior and TG-FTIR-G DOI: 10.3390/polym13050702
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