What absorbs at 914 cm⁻¹ in an FTIR spectrum?
A band near 914 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 |
|---|---|---|---|
| Nitrogen heterocycle | 1 | 1 | 1.0 |
| Phosphate (PO4) | 1 | 1 | 1.0 |
| C-O single bond | 1 | 1 | 0.95 |
| Metal hydroxyl | 1 | 1 | 0.9 |
| Oxygen heterocycle | 1 | 1 | 0.9 |
| Silicon-oxygen (Si-O) | 1 | 1 | 0.9 |
| Silicate | 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
-
Phosphate (PO4) 置信度 1.0
“Characteristic absorption peak attributed to P-O-Ar.”
Que 等 - 2023 - Phosphorus-Containing Polybenzoxazine Aerogels wit DOI: 10.3390/ijms24054314 -
Nitrogen heterocycle 置信度 1.0
“pyrrole ring vibration”
Soran 等 - 2017 - SYNTHESIS AND SPECTROSCOPIC CHARACTERIZATION OF HY DOI: 10.24193/subbchem.2017.2.08 -
C-O single bond 置信度 0.95
“Text: 'absorption at around 914 is attributed the β-glycosidic linkages'”
Yongvanich 和 Visuttipitukul - 2013 - Isolation of Nanocellulose from Pomelo Fruit Fiber DOI: 10.4028/www.scientific.net/AMR.747.363 -
Silicon-oxygen (Si-O) 置信度 0.9
“Attributed to SiO stretching”
Frost 等 - 2015 - Vibrational spectroscopic study of poldervaartite DOI: 10.1016/j.saa.2014.09.017 -
置信度 0.9
“Explicit assignment: 'strong absorption peaks between 914 and 730 cm-1 which are assigned to the vibration of O-Mo-O in tetrahedron'.”
Yang 等 - 2010 - Co-precipitation synthesis and photoluminescence p DOI: 10.1016/j.jallcom.2010.06.037 -
Oxygen heterocycle 置信度 0.9
“Explicit: 'peaks at 914 and 1610 due to epoxy groups' absorption'”
Kanthiya 等 - 2022 - Modified Poly(Lactic Acid) Epoxy Resin Using Chito DOI: 10.3390/polym14061085 -
Metal hydroxyl 置信度 0.9
“Attributed to Al-OH vibrations in octahedral sheet structure.”
Popovicheva 等 - 2020 - Functional Factors of Biomass Burning Contribution DOI: 10.3390/atmos11040319 -
Silicate 置信度 0.8
“Explicit assignment.”
Friesem 等 - 2016 - Site Formation Processes and Hunter-Gatherers Use DOI: 10.1371/journal.pone.0164185
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