What absorbs at 996 cm⁻¹ in an FTIR spectrum?
A band near 996 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 5 cited sources
Iespējamie funkcionālo grupu piešķīrumi
| Funkcionālā grupa | Atbalstošie fakti | Citētie avoti | Augstākā pārliecība |
|---|---|---|---|
| C c single bond | 1 | 1 | 1,0 |
| Metal oxo | 1 | 1 | 1,0 |
| Metal oxygen | 1 | 1 | 1,0 |
| Carboxyl (COOH) | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 0 | 1,0 |
| C-O single bond | 1 | 0 | 1,0 |
Rangs atspoguļo uzkrātos literatūras pierādījumus, nevis vienu autoritatīvu noteikumu. Vienmēr apstipriniet atbilstoši parauga kontekstam.
Literatūra aiz šiem piešķīrumiem
-
Carboxyl (COOH) pārliecība 1,0
“The 996 peak is most likely unreacted fixed to test this would be to run more experiments at pressure and formic acid.”
Reactions between organic acids and montmorillonite clay under Earth-forming conditions DOI: 10.1016/j.chemgeo.2010.12.023 -
Metal oxygen pārliecība 1,0
“The band at 996 is assigned to V O stretching of distorted octahedral and distorted cm-1 square pyramids, while the band at 702 is due to coordination of vanadium atoms with the three oxygen”
Vanadium pentoxide nanobelts: One pot synthesis and its lithium storage behavior DOI: 10.1002/crat.201200122 -
Metal oxo pārliecība 1,0
“and The stretching and bending modes of V-O generate peaks at 705 cm-1 and the shift at 996 cm-1 is due to stretching mode of V=O [21].”
Saravanakumar 等 - 2018 - Role of NaOH concentration on synthesis and charac DOI: 10.1063/1.5047993 -
pārliecība 1,0
“were observed, and the energies of the main oxygen peaks 996 E.A.”
Abou Neel 等 - 2009 - Doping of a high calcium oxide metaphosphate glass DOI: 10.1016/j.jnoncrysol.2009.04.016 -
C c single bond pārliecība 1,0
“The peak observed at 996 is due to C-C”
Influence of most reactive inorganic cation in the optical and biological activities of L-Lysine monohydrochloride crystal DOI: 10.1016/j.sjbs.2020.07.018
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